From e832693acbfc713bcaf44720efa8149e93a38027 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Wed, 24 Feb 2010 06:52:40 +0000 Subject: When forming SSE min and max nodes for UGE and ULE comparisons, it's necessary to swap the operands to handle NaN and negative zero properly. Also, reintroduce logic for checking for NaN conditions when forming SSE min and max instructions, fixed to take into consideration NaNs and negative zeros. This allows forming min and max instructions in more cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97025 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/sse-minmax.ll | 442 +++++++++++++++++++++++++++++++++++++++-- 1 file changed, 429 insertions(+), 13 deletions(-) (limited to 'test/CodeGen/X86/sse-minmax.ll') diff --git a/test/CodeGen/X86/sse-minmax.ll b/test/CodeGen/X86/sse-minmax.ll index f8590fdb28..19fbed015b 100644 --- a/test/CodeGen/X86/sse-minmax.ll +++ b/test/CodeGen/X86/sse-minmax.ll @@ -1,13 +1,15 @@ ; RUN: llc < %s -march=x86-64 -asm-verbose=false | FileCheck %s ; RUN: llc < %s -march=x86-64 -asm-verbose=false -enable-unsafe-fp-math | FileCheck -check-prefix=UNSAFE %s +; RUN: llc < %s -march=x86-64 -asm-verbose=false -enable-finite-only-fp-math | FileCheck -check-prefix=FINITE %s ; Some of these patterns can be matched as SSE min or max. Some of ; then can be matched provided that the operands are swapped. ; Some of them can't be matched at all and require a comparison ; and a conditional branch. -; The naming convention is {,x_}{o,u}{gt,lt,ge,le}{,_inverse} +; The naming convention is {,x_,y_}{o,u}{gt,lt,ge,le}{,_inverse} ; x_ : use 0.0 instead of %y +; y_ : use -0.0 instead of %y ; _inverse : swap the arms of the select. ; CHECK: ogt: @@ -16,6 +18,9 @@ ; UNSAFE: ogt: ; UNSAFE-NEXT: maxsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: ogt: +; FINITE-NEXT: maxsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @ogt(double %x, double %y) nounwind { %c = fcmp ogt double %x, %y %d = select i1 %c, double %x, double %y @@ -28,6 +33,9 @@ define double @ogt(double %x, double %y) nounwind { ; UNSAFE: olt: ; UNSAFE-NEXT: minsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: olt: +; FINITE-NEXT: minsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @olt(double %x, double %y) nounwind { %c = fcmp olt double %x, %y %d = select i1 %c, double %x, double %y @@ -42,6 +50,10 @@ define double @olt(double %x, double %y) nounwind { ; UNSAFE-NEXT: minsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: ogt_inverse: +; FINITE-NEXT: minsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @ogt_inverse(double %x, double %y) nounwind { %c = fcmp ogt double %x, %y %d = select i1 %c, double %y, double %x @@ -56,6 +68,10 @@ define double @ogt_inverse(double %x, double %y) nounwind { ; UNSAFE-NEXT: maxsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: olt_inverse: +; FINITE-NEXT: maxsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @olt_inverse(double %x, double %y) nounwind { %c = fcmp olt double %x, %y %d = select i1 %c, double %y, double %x @@ -67,6 +83,9 @@ define double @olt_inverse(double %x, double %y) nounwind { ; UNSAFE: oge: ; UNSAFE-NEXT: maxsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: oge: +; FINITE-NEXT: maxsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @oge(double %x, double %y) nounwind { %c = fcmp oge double %x, %y %d = select i1 %c, double %x, double %y @@ -77,6 +96,8 @@ define double @oge(double %x, double %y) nounwind { ; CHECK-NEXT: ucomisd %xmm0, %xmm1 ; UNSAFE: ole: ; UNSAFE-NEXT: minsd %xmm1, %xmm0 +; FINITE: ole: +; FINITE-NEXT: minsd %xmm1, %xmm0 define double @ole(double %x, double %y) nounwind { %c = fcmp ole double %x, %y %d = select i1 %c, double %x, double %y @@ -89,6 +110,10 @@ define double @ole(double %x, double %y) nounwind { ; UNSAFE-NEXT: minsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: oge_inverse: +; FINITE-NEXT: minsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @oge_inverse(double %x, double %y) nounwind { %c = fcmp oge double %x, %y %d = select i1 %c, double %y, double %x @@ -101,6 +126,10 @@ define double @oge_inverse(double %x, double %y) nounwind { ; UNSAFE-NEXT: maxsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: ole_inverse: +; FINITE-NEXT: maxsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @ole_inverse(double %x, double %y) nounwind { %c = fcmp ole double %x, %y %d = select i1 %c, double %y, double %x @@ -115,6 +144,10 @@ define double @ole_inverse(double %x, double %y) nounwind { ; UNSAFE-NEXT: pxor %xmm1, %xmm1 ; UNSAFE-NEXT: maxsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_ogt: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: maxsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_ogt(double %x) nounwind { %c = fcmp ogt double %x, 0.000000e+00 %d = select i1 %c, double %x, double 0.000000e+00 @@ -129,6 +162,10 @@ define double @x_ogt(double %x) nounwind { ; UNSAFE-NEXT: pxor %xmm1, %xmm1 ; UNSAFE-NEXT: minsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_olt: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: minsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_olt(double %x) nounwind { %c = fcmp olt double %x, 0.000000e+00 %d = select i1 %c, double %x, double 0.000000e+00 @@ -145,6 +182,11 @@ define double @x_olt(double %x) nounwind { ; UNSAFE-NEXT: minsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_ogt_inverse: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: minsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_ogt_inverse(double %x) nounwind { %c = fcmp ogt double %x, 0.000000e+00 %d = select i1 %c, double 0.000000e+00, double %x @@ -161,6 +203,11 @@ define double @x_ogt_inverse(double %x) nounwind { ; UNSAFE-NEXT: maxsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_olt_inverse: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: maxsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_olt_inverse(double %x) nounwind { %c = fcmp olt double %x, 0.000000e+00 %d = select i1 %c, double 0.000000e+00, double %x @@ -173,6 +220,10 @@ define double @x_olt_inverse(double %x) nounwind { ; UNSAFE-NEXT: pxor %xmm1, %xmm1 ; UNSAFE-NEXT: maxsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_oge: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: maxsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_oge(double %x) nounwind { %c = fcmp oge double %x, 0.000000e+00 %d = select i1 %c, double %x, double 0.000000e+00 @@ -185,6 +236,10 @@ define double @x_oge(double %x) nounwind { ; UNSAFE-NEXT: pxor %xmm1, %xmm1 ; UNSAFE-NEXT: minsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_ole: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: minsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_ole(double %x) nounwind { %c = fcmp ole double %x, 0.000000e+00 %d = select i1 %c, double %x, double 0.000000e+00 @@ -198,6 +253,11 @@ define double @x_ole(double %x) nounwind { ; UNSAFE-NEXT: minsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_oge_inverse: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: minsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_oge_inverse(double %x) nounwind { %c = fcmp oge double %x, 0.000000e+00 %d = select i1 %c, double 0.000000e+00, double %x @@ -211,6 +271,11 @@ define double @x_oge_inverse(double %x) nounwind { ; UNSAFE-NEXT: maxsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_ole_inverse: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: maxsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_ole_inverse(double %x) nounwind { %c = fcmp ole double %x, 0.000000e+00 %d = select i1 %c, double 0.000000e+00, double %x @@ -222,6 +287,9 @@ define double @x_ole_inverse(double %x) nounwind { ; UNSAFE: ugt: ; UNSAFE-NEXT: maxsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: ugt: +; FINITE-NEXT: maxsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @ugt(double %x, double %y) nounwind { %c = fcmp ugt double %x, %y %d = select i1 %c, double %x, double %y @@ -233,6 +301,9 @@ define double @ugt(double %x, double %y) nounwind { ; UNSAFE: ult: ; UNSAFE-NEXT: minsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: ult: +; FINITE-NEXT: minsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @ult(double %x, double %y) nounwind { %c = fcmp ult double %x, %y %d = select i1 %c, double %x, double %y @@ -245,6 +316,10 @@ define double @ult(double %x, double %y) nounwind { ; UNSAFE-NEXT: minsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: ugt_inverse: +; FINITE-NEXT: minsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @ugt_inverse(double %x, double %y) nounwind { %c = fcmp ugt double %x, %y %d = select i1 %c, double %y, double %x @@ -257,6 +332,10 @@ define double @ugt_inverse(double %x, double %y) nounwind { ; UNSAFE-NEXT: maxsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: ult_inverse: +; FINITE-NEXT: maxsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @ult_inverse(double %x, double %y) nounwind { %c = fcmp ult double %x, %y %d = select i1 %c, double %y, double %x @@ -264,11 +343,15 @@ define double @ult_inverse(double %x, double %y) nounwind { } ; CHECK: uge: -; CHECK-NEXT: maxsd %xmm1, %xmm0 +; CHECK-NEXT: maxsd %xmm0, %xmm1 +; CHECK-NEXT: movapd %xmm1, %xmm0 ; CHECK-NEXT: ret ; UNSAFE: uge: ; UNSAFE-NEXT: maxsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: uge: +; FINITE-NEXT: maxsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @uge(double %x, double %y) nounwind { %c = fcmp uge double %x, %y %d = select i1 %c, double %x, double %y @@ -276,11 +359,15 @@ define double @uge(double %x, double %y) nounwind { } ; CHECK: ule: -; CHECK-NEXT: minsd %xmm1, %xmm0 +; CHECK-NEXT: minsd %xmm0, %xmm1 +; CHECK-NEXT: movapd %xmm1, %xmm0 ; CHECK-NEXT: ret ; UNSAFE: ule: ; UNSAFE-NEXT: minsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: ule: +; FINITE-NEXT: minsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @ule(double %x, double %y) nounwind { %c = fcmp ule double %x, %y %d = select i1 %c, double %x, double %y @@ -288,13 +375,16 @@ define double @ule(double %x, double %y) nounwind { } ; CHECK: uge_inverse: -; CHECK-NEXT: minsd %xmm0, %xmm1 -; CHECK-NEXT: movapd %xmm1, %xmm0 +; CHECK-NEXT: minsd %xmm1, %xmm0 ; CHECK-NEXT: ret ; UNSAFE: uge_inverse: ; UNSAFE-NEXT: minsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: uge_inverse: +; FINITE-NEXT: minsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @uge_inverse(double %x, double %y) nounwind { %c = fcmp uge double %x, %y %d = select i1 %c, double %y, double %x @@ -302,13 +392,16 @@ define double @uge_inverse(double %x, double %y) nounwind { } ; CHECK: ule_inverse: -; CHECK-NEXT: maxsd %xmm0, %xmm1 -; CHECK-NEXT: movapd %xmm1, %xmm0 +; CHECK-NEXT: maxsd %xmm1, %xmm0 ; CHECK-NEXT: ret ; UNSAFE: ule_inverse: ; UNSAFE-NEXT: maxsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: ule_inverse: +; FINITE-NEXT: maxsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @ule_inverse(double %x, double %y) nounwind { %c = fcmp ule double %x, %y %d = select i1 %c, double %y, double %x @@ -321,6 +414,10 @@ define double @ule_inverse(double %x, double %y) nounwind { ; UNSAFE-NEXT: pxor %xmm1, %xmm1 ; UNSAFE-NEXT: maxsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_ugt: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: maxsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_ugt(double %x) nounwind { %c = fcmp ugt double %x, 0.000000e+00 %d = select i1 %c, double %x, double 0.000000e+00 @@ -333,6 +430,10 @@ define double @x_ugt(double %x) nounwind { ; UNSAFE-NEXT: pxor %xmm1, %xmm1 ; UNSAFE-NEXT: minsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_ult: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: minsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_ult(double %x) nounwind { %c = fcmp ult double %x, 0.000000e+00 %d = select i1 %c, double %x, double 0.000000e+00 @@ -346,6 +447,11 @@ define double @x_ult(double %x) nounwind { ; UNSAFE-NEXT: minsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_ugt_inverse: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: minsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_ugt_inverse(double %x) nounwind { %c = fcmp ugt double %x, 0.000000e+00 %d = select i1 %c, double 0.000000e+00, double %x @@ -359,6 +465,11 @@ define double @x_ugt_inverse(double %x) nounwind { ; UNSAFE-NEXT: maxsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_ult_inverse: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: maxsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_ult_inverse(double %x) nounwind { %c = fcmp ult double %x, 0.000000e+00 %d = select i1 %c, double 0.000000e+00, double %x @@ -367,12 +478,17 @@ define double @x_ult_inverse(double %x) nounwind { ; CHECK: x_uge: ; CHECK-NEXT: pxor %xmm1, %xmm1 -; CHECK-NEXT: maxsd %xmm1, %xmm0 +; CHECK-NEXT: maxsd %xmm0, %xmm1 +; CHECK-NEXT: movapd %xmm1, %xmm0 ; CHECK-NEXT: ret ; UNSAFE: x_uge: ; UNSAFE-NEXT: pxor %xmm1, %xmm1 ; UNSAFE-NEXT: maxsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_uge: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: maxsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_uge(double %x) nounwind { %c = fcmp uge double %x, 0.000000e+00 %d = select i1 %c, double %x, double 0.000000e+00 @@ -381,12 +497,17 @@ define double @x_uge(double %x) nounwind { ; CHECK: x_ule: ; CHECK-NEXT: pxor %xmm1, %xmm1 -; CHECK-NEXT: minsd %xmm1, %xmm0 +; CHECK-NEXT: minsd %xmm0, %xmm1 +; CHECK-NEXT: movapd %xmm1, %xmm0 ; CHECK-NEXT: ret ; UNSAFE: x_ule: ; UNSAFE-NEXT: pxor %xmm1, %xmm1 ; UNSAFE-NEXT: minsd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_ule: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: minsd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_ule(double %x) nounwind { %c = fcmp ule double %x, 0.000000e+00 %d = select i1 %c, double %x, double 0.000000e+00 @@ -395,14 +516,18 @@ define double @x_ule(double %x) nounwind { ; CHECK: x_uge_inverse: ; CHECK-NEXT: pxor %xmm1, %xmm1 -; CHECK-NEXT: minsd %xmm0, %xmm1 -; CHECK-NEXT: movapd %xmm1, %xmm0 +; CHECK-NEXT: minsd %xmm1, %xmm0 ; CHECK-NEXT: ret ; UNSAFE: x_uge_inverse: ; UNSAFE-NEXT: pxor %xmm1, %xmm1 ; UNSAFE-NEXT: minsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_uge_inverse: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: minsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_uge_inverse(double %x) nounwind { %c = fcmp uge double %x, 0.000000e+00 %d = select i1 %c, double 0.000000e+00, double %x @@ -411,26 +536,303 @@ define double @x_uge_inverse(double %x) nounwind { ; CHECK: x_ule_inverse: ; CHECK-NEXT: pxor %xmm1, %xmm1 -; CHECK-NEXT: maxsd %xmm0, %xmm1 -; CHECK-NEXT: movapd %xmm1, %xmm0 +; CHECK-NEXT: maxsd %xmm1, %xmm0 ; CHECK-NEXT: ret ; UNSAFE: x_ule_inverse: ; UNSAFE-NEXT: pxor %xmm1, %xmm1 ; UNSAFE-NEXT: maxsd %xmm0, %xmm1 ; UNSAFE-NEXT: movapd %xmm1, %xmm0 ; UNSAFE-NEXT: ret +; FINITE: x_ule_inverse: +; FINITE-NEXT: pxor %xmm1, %xmm1 +; FINITE-NEXT: maxsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret define double @x_ule_inverse(double %x) nounwind { %c = fcmp ule double %x, 0.000000e+00 %d = select i1 %c, double 0.000000e+00, double %x ret double %d } +; CHECK: y_ogt: +; CHECK-NEXT: maxsd {{[^,]*}}, %xmm0 +; CHECK-NEXT: ret +; UNSAFE: y_ogt: +; UNSAFE-NEXT: maxsd {{[^,]*}}, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_ogt: +; FINITE-NEXT: maxsd {{[^,]*}}, %xmm0 +; FINITE-NEXT: ret +define double @y_ogt(double %x) nounwind { + %c = fcmp ogt double %x, -0.000000e+00 + %d = select i1 %c, double %x, double -0.000000e+00 + ret double %d +} + +; CHECK: y_olt: +; CHECK-NEXT: minsd {{[^,]*}}, %xmm0 +; CHECK-NEXT: ret +; UNSAFE: y_olt: +; UNSAFE-NEXT: minsd {{[^,]*}}, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_olt: +; FINITE-NEXT: minsd {{[^,]*}}, %xmm0 +; FINITE-NEXT: ret +define double @y_olt(double %x) nounwind { + %c = fcmp olt double %x, -0.000000e+00 + %d = select i1 %c, double %x, double -0.000000e+00 + ret double %d +} + +; CHECK: y_ogt_inverse: +; CHECK-NEXT: movsd {{[^,]*}}, %xmm1 +; CHECK-NEXT: minsd %xmm0, %xmm1 +; CHECK-NEXT: movapd %xmm1, %xmm0 +; CHECK-NEXT: ret +; UNSAFE: y_ogt_inverse: +; UNSAFE-NEXT: movsd {{[^,]*}}, %xmm1 +; UNSAFE-NEXT: minsd %xmm0, %xmm1 +; UNSAFE-NEXT: movapd %xmm1, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_ogt_inverse: +; FINITE-NEXT: movsd {{[^,]*}}, %xmm1 +; FINITE-NEXT: minsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret +define double @y_ogt_inverse(double %x) nounwind { + %c = fcmp ogt double %x, -0.000000e+00 + %d = select i1 %c, double -0.000000e+00, double %x + ret double %d +} + +; CHECK: y_olt_inverse: +; CHECK-NEXT: movsd {{[^,]*}}, %xmm1 +; CHECK-NEXT: maxsd %xmm0, %xmm1 +; CHECK-NEXT: movapd %xmm1, %xmm0 +; CHECK-NEXT: ret +; UNSAFE: y_olt_inverse: +; UNSAFE-NEXT: movsd {{[^,]*}}, %xmm1 +; UNSAFE-NEXT: maxsd %xmm0, %xmm1 +; UNSAFE-NEXT: movapd %xmm1, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_olt_inverse: +; FINITE-NEXT: movsd {{[^,]*}}, %xmm1 +; FINITE-NEXT: maxsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret +define double @y_olt_inverse(double %x) nounwind { + %c = fcmp olt double %x, -0.000000e+00 + %d = select i1 %c, double -0.000000e+00, double %x + ret double %d +} + +; CHECK: y_oge: +; CHECK: ucomisd %xmm1, %xmm0 +; UNSAFE: y_oge: +; UNSAFE-NEXT: maxsd {{[^,]*}}, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_oge: +; FINITE-NEXT: maxsd {{[^,]*}}, %xmm0 +; FINITE-NEXT: ret +define double @y_oge(double %x) nounwind { + %c = fcmp oge double %x, -0.000000e+00 + %d = select i1 %c, double %x, double -0.000000e+00 + ret double %d +} + +; CHECK: y_ole: +; CHECK: ucomisd %xmm0, %xmm1 +; UNSAFE: y_ole: +; UNSAFE-NEXT: minsd {{[^,]*}}, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_ole: +; FINITE-NEXT: minsd {{[^,]*}}, %xmm0 +; FINITE-NEXT: ret +define double @y_ole(double %x) nounwind { + %c = fcmp ole double %x, -0.000000e+00 + %d = select i1 %c, double %x, double -0.000000e+00 + ret double %d +} + +; CHECK: y_oge_inverse: +; CHECK: ucomisd %xmm1, %xmm0 +; UNSAFE: y_oge_inverse: +; UNSAFE-NEXT: movsd {{[^,]*}}, %xmm1 +; UNSAFE-NEXT: minsd %xmm0, %xmm1 +; UNSAFE-NEXT: movapd %xmm1, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_oge_inverse: +; FINITE-NEXT: movsd {{[^,]*}}, %xmm1 +; FINITE-NEXT: minsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret +define double @y_oge_inverse(double %x) nounwind { + %c = fcmp oge double %x, -0.000000e+00 + %d = select i1 %c, double -0.000000e+00, double %x + ret double %d +} + +; CHECK: y_ole_inverse: +; CHECK: ucomisd %xmm0, %xmm1 +; UNSAFE: y_ole_inverse: +; UNSAFE-NEXT: movsd {{[^,]*}}, %xmm1 +; UNSAFE-NEXT: maxsd %xmm0, %xmm1 +; UNSAFE-NEXT: movapd %xmm1, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_ole_inverse: +; FINITE-NEXT: movsd {{[^,]*}}, %xmm1 +; FINITE-NEXT: maxsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret +define double @y_ole_inverse(double %x) nounwind { + %c = fcmp ole double %x, -0.000000e+00 + %d = select i1 %c, double -0.000000e+00, double %x + ret double %d +} + +; CHECK: y_ugt: +; CHECK: ucomisd %xmm0, %xmm1 +; UNSAFE: y_ugt: +; UNSAFE-NEXT: maxsd {{[^,]*}}, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_ugt: +; FINITE-NEXT: maxsd {{[^,]*}}, %xmm0 +; FINITE-NEXT: ret +define double @y_ugt(double %x) nounwind { + %c = fcmp ugt double %x, -0.000000e+00 + %d = select i1 %c, double %x, double -0.000000e+00 + ret double %d +} + +; CHECK: y_ult: +; CHECK: ucomisd %xmm1, %xmm0 +; UNSAFE: y_ult: +; UNSAFE-NEXT: minsd {{[^,]*}}, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_ult: +; FINITE-NEXT: minsd {{[^,]*}}, %xmm0 +; FINITE-NEXT: ret +define double @y_ult(double %x) nounwind { + %c = fcmp ult double %x, -0.000000e+00 + %d = select i1 %c, double %x, double -0.000000e+00 + ret double %d +} + +; CHECK: y_ugt_inverse: +; CHECK: ucomisd %xmm0, %xmm1 +; UNSAFE: y_ugt_inverse: +; UNSAFE-NEXT: movsd {{[^,]*}}, %xmm1 +; UNSAFE-NEXT: minsd %xmm0, %xmm1 +; UNSAFE-NEXT: movapd %xmm1, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_ugt_inverse: +; FINITE-NEXT: movsd {{[^,]*}}, %xmm1 +; FINITE-NEXT: minsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret +define double @y_ugt_inverse(double %x) nounwind { + %c = fcmp ugt double %x, -0.000000e+00 + %d = select i1 %c, double -0.000000e+00, double %x + ret double %d +} + +; CHECK: y_ult_inverse: +; CHECK: ucomisd %xmm1, %xmm0 +; UNSAFE: y_ult_inverse: +; UNSAFE-NEXT: movsd {{[^,]*}}, %xmm1 +; UNSAFE-NEXT: maxsd %xmm0, %xmm1 +; UNSAFE-NEXT: movapd %xmm1, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_ult_inverse: +; FINITE-NEXT: movsd {{[^,]*}}, %xmm1 +; FINITE-NEXT: maxsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret +define double @y_ult_inverse(double %x) nounwind { + %c = fcmp ult double %x, -0.000000e+00 + %d = select i1 %c, double -0.000000e+00, double %x + ret double %d +} + +; CHECK: y_uge: +; CHECK-NEXT: movsd {{[^,]*}}, %xmm1 +; CHECK-NEXT: maxsd %xmm0, %xmm1 +; CHECK-NEXT: movapd %xmm1, %xmm0 +; CHECK-NEXT: ret +; UNSAFE: y_uge: +; UNSAFE-NEXT: maxsd {{[^,]*}}, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_uge: +; FINITE-NEXT: maxsd {{[^,]*}}, %xmm0 +; FINITE-NEXT: ret +define double @y_uge(double %x) nounwind { + %c = fcmp uge double %x, -0.000000e+00 + %d = select i1 %c, double %x, double -0.000000e+00 + ret double %d +} + +; CHECK: y_ule: +; CHECK-NEXT: movsd {{[^,]*}}, %xmm1 +; CHECK-NEXT: minsd %xmm0, %xmm1 +; CHECK-NEXT: movapd %xmm1, %xmm0 +; CHECK-NEXT: ret +; UNSAFE: y_ule: +; UNSAFE-NEXT: minsd {{[^,]*}}, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_ule: +; FINITE-NEXT: minsd {{[^,]*}}, %xmm0 +; FINITE-NEXT: ret +define double @y_ule(double %x) nounwind { + %c = fcmp ule double %x, -0.000000e+00 + %d = select i1 %c, double %x, double -0.000000e+00 + ret double %d +} + +; CHECK: y_uge_inverse: +; CHECK-NEXT: minsd {{[^,]*}}, %xmm0 +; CHECK-NEXT: ret +; UNSAFE: y_uge_inverse: +; UNSAFE-NEXT: movsd {{[^,]*}}, %xmm1 +; UNSAFE-NEXT: minsd %xmm0, %xmm1 +; UNSAFE-NEXT: movapd %xmm1, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_uge_inverse: +; FINITE-NEXT: movsd {{[^,]*}}, %xmm1 +; FINITE-NEXT: minsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret +define double @y_uge_inverse(double %x) nounwind { + %c = fcmp uge double %x, -0.000000e+00 + %d = select i1 %c, double -0.000000e+00, double %x + ret double %d +} + +; CHECK: y_ule_inverse: +; CHECK-NEXT: maxsd {{[^,]*}}, %xmm0 +; CHECK-NEXT: ret +; UNSAFE: y_ule_inverse: +; UNSAFE-NEXT: movsd {{[^,]*}}, %xmm1 +; UNSAFE-NEXT: maxsd %xmm0, %xmm1 +; UNSAFE-NEXT: movapd %xmm1, %xmm0 +; UNSAFE-NEXT: ret +; FINITE: y_ule_inverse: +; FINITE-NEXT: movsd {{[^,]*}}, %xmm1 +; FINITE-NEXT: maxsd %xmm0, %xmm1 +; FINITE-NEXT: movapd %xmm1, %xmm0 +; FINITE-NEXT: ret +define double @y_ule_inverse(double %x) nounwind { + %c = fcmp ule double %x, -0.000000e+00 + %d = select i1 %c, double -0.000000e+00, double %x + ret double %d +} ; Test a few more misc. cases. ; CHECK: clampTo3k_a: ; CHECK: minsd ; UNSAFE: clampTo3k_a: ; UNSAFE: minsd +; FINITE: clampTo3k_a: +; FINITE: minsd define double @clampTo3k_a(double %x) nounwind readnone { entry: %0 = fcmp ogt double %x, 3.000000e+03 ; [#uses=1] @@ -442,6 +844,8 @@ entry: ; CHECK: minsd ; UNSAFE: clampTo3k_b: ; UNSAFE: minsd +; FINITE: clampTo3k_b: +; FINITE: minsd define double @clampTo3k_b(double %x) nounwind readnone { entry: %0 = fcmp uge double %x, 3.000000e+03 ; [#uses=1] @@ -453,6 +857,8 @@ entry: ; CHECK: maxsd ; UNSAFE: clampTo3k_c: ; UNSAFE: maxsd +; FINITE: clampTo3k_c: +; FINITE: maxsd define double @clampTo3k_c(double %x) nounwind readnone { entry: %0 = fcmp olt double %x, 3.000000e+03 ; [#uses=1] @@ -464,6 +870,8 @@ entry: ; CHECK: maxsd ; UNSAFE: clampTo3k_d: ; UNSAFE: maxsd +; FINITE: clampTo3k_d: +; FINITE: maxsd define double @clampTo3k_d(double %x) nounwind readnone { entry: %0 = fcmp ule double %x, 3.000000e+03 ; [#uses=1] @@ -475,6 +883,8 @@ entry: ; CHECK: maxsd ; UNSAFE: clampTo3k_e: ; UNSAFE: maxsd +; FINITE: clampTo3k_e: +; FINITE: maxsd define double @clampTo3k_e(double %x) nounwind readnone { entry: %0 = fcmp olt double %x, 3.000000e+03 ; [#uses=1] @@ -486,6 +896,8 @@ entry: ; CHECK: maxsd ; UNSAFE: clampTo3k_f: ; UNSAFE: maxsd +; FINITE: clampTo3k_f: +; FINITE: maxsd define double @clampTo3k_f(double %x) nounwind readnone { entry: %0 = fcmp ule double %x, 3.000000e+03 ; [#uses=1] @@ -497,6 +909,8 @@ entry: ; CHECK: minsd ; UNSAFE: clampTo3k_g: ; UNSAFE: minsd +; FINITE: clampTo3k_g: +; FINITE: minsd define double @clampTo3k_g(double %x) nounwind readnone { entry: %0 = fcmp ogt double %x, 3.000000e+03 ; [#uses=1] @@ -508,6 +922,8 @@ entry: ; CHECK: minsd ; UNSAFE: clampTo3k_h: ; UNSAFE: minsd +; FINITE: clampTo3k_h: +; FINITE: minsd define double @clampTo3k_h(double %x) nounwind readnone { entry: %0 = fcmp uge double %x, 3.000000e+03 ; [#uses=1] -- cgit v1.2.3