ARM cost model: Cost for scalar integer casts and floating point conversions

Also adds some costs for vector integer float conversions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174371 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 158 insertions, 0 deletions

diff --git a/test/Analysis/CostModel/ARM/cast.ll b/test/Analysis/CostModel/ARM/cast.ll
new file mode 100644
index 0000000000..464b6ece0e
--- /dev/null
+++ b/test/Analysis/CostModel/ARM/cast.ll
@@ -0,0 +1,158 @@
+; RUN: opt < %s  -cost-model -analyze -mtriple=thumbv7-apple-ios6.0.0 -mcpu=swift | FileCheck %s
+target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
+target triple = "thumbv7-apple-ios6.0.0"
+
+define i32 @casts() {
+
+    ; -- scalars --
+  ; CHECK: cost of 1 {{.*}} sext
+  %r0 = sext i1 undef to i8
+  ; CHECK: cost of 1 {{.*}} zext
+  %r1 = zext i1 undef to i8
+  ; CHECK: cost of 1 {{.*}} sext
+  %r2 = sext i1 undef to i16
+  ; CHECK: cost of 1 {{.*}} zext
+  %r3 = zext i1 undef to i16
+  ; CHECK: cost of 1 {{.*}} sext
+  %r4 = sext i1 undef to i32
+  ; CHECK: cost of 1 {{.*}} zext
+  %r5 = zext i1 undef to i32
+  ; CHECK: cost of 1 {{.*}} sext
+  %r6 = sext i1 undef to i64
+  ; CHECK: cost of 1 {{.*}} zext
+  %r7 = zext i1 undef to i64
+  ; CHECK: cost of 0 {{.*}} trunc
+  %r8 = trunc i8 undef to i1
+  ; CHECK: cost of 1 {{.*}} sext
+  %r9 = sext i8 undef to i16
+  ; CHECK: cost of 1 {{.*}} zext
+  %r10 = zext i8 undef to i16
+  ; CHECK: cost of 1 {{.*}} sext
+  %r11 = sext i8 undef to i32
+  ; CHECK: cost of 1 {{.*}} zext
+  %r12 = zext i8 undef to i32
+  ; CHECK: cost of 1 {{.*}} sext
+  %r13 = sext i8 undef to i64
+  ; CHECK: cost of 1 {{.*}} zext
+  %r14 = zext i8 undef to i64
+  ; CHECK: cost of 0 {{.*}} trunc
+  %r15 = trunc i16 undef to i1
+  ; CHECK: cost of 0 {{.*}} trunc
+  %r16 = trunc i16 undef to i8
+  ; CHECK: cost of 1 {{.*}} sext
+  %r17 = sext i16 undef to i32
+  ; CHECK: cost of 1 {{.*}} zext
+  %r18 = zext i16 undef to i32
+  ; CHECK: cost of 2 {{.*}} sext
+  %r19 = sext i16 undef to i64
+  ; CHECK: cost of 1 {{.*}} zext
+  %r20 = zext i16 undef to i64
+  ; CHECK: cost of 0 {{.*}} trunc
+  %r21 = trunc i32 undef to i1
+  ; CHECK: cost of 0 {{.*}} trunc
+  %r22 = trunc i32 undef to i8
+  ; CHECK: cost of 0 {{.*}} trunc
+  %r23 = trunc i32 undef to i16
+  ; CHECK: cost of 1 {{.*}} sext
+  %r24 = sext i32 undef to i64
+  ; CHECK: cost of 1 {{.*}} zext
+  %r25 = zext i32 undef to i64
+  ; CHECK: cost of 0 {{.*}} trunc
+  %r26 = trunc i64 undef to i1
+  ; CHECK: cost of 0 {{.*}} trunc
+  %r27 = trunc i64 undef to i8
+  ; CHECK: cost of 0 {{.*}} trunc
+  %r28 = trunc i64 undef to i16
+  ; CHECK: cost of 0 {{.*}} trunc
+  %r29 = trunc i64 undef to i32
+
+    ; -- floating point conversions --
+  ; Moves between scalar and NEON registers.
+  ; CHECK: cost of 2 {{.*}} fptoui
+  %r30 = fptoui float undef to i1
+  ; CHECK: cost of 2 {{.*}} fptosi
+  %r31 = fptosi float undef to i1
+  ; CHECK: cost of 2 {{.*}} fptoui
+  %r32 = fptoui float undef to i8
+  ; CHECK: cost of 2 {{.*}} fptosi
+  %r33 = fptosi float undef to i8
+  ; CHECK: cost of 2 {{.*}} fptoui
+  %r34 = fptoui float undef to i16
+  ; CHECK: cost of 2 {{.*}} fptosi
+  %r35 = fptosi float undef to i16
+  ; CHECK: cost of 2 {{.*}} fptoui
+  %r36 = fptoui float undef to i32
+  ; CHECK: cost of 2 {{.*}} fptosi
+  %r37 = fptosi float undef to i32
+  ; CHECK: cost of 10 {{.*}} fptoui
+  %r38 = fptoui float undef to i64
+  ; CHECK: cost of 10 {{.*}} fptosi
+  %r39 = fptosi float undef to i64
+  ; CHECK: cost of 2 {{.*}} fptoui
+  %r40 = fptoui double undef to i1
+  ; CHECK: cost of 2 {{.*}} fptosi
+  %r41 = fptosi double undef to i1
+  ; CHECK: cost of 2 {{.*}} fptoui
+  %r42 = fptoui double undef to i8
+  ; CHECK: cost of 2 {{.*}} fptosi
+  %r43 = fptosi double undef to i8
+  ; CHECK: cost of 2 {{.*}} fptoui
+  %r44 = fptoui double undef to i16
+  ; CHECK: cost of 2 {{.*}} fptosi
+  %r45 = fptosi double undef to i16
+  ; CHECK: cost of 2 {{.*}} fptoui
+  %r46 = fptoui double undef to i32
+  ; CHECK: cost of 2 {{.*}} fptosi
+  %r47 = fptosi double undef to i32
+  ; Function call
+  ; CHECK: cost of 10 {{.*}} fptoui
+  %r48 = fptoui double undef to i64
+  ; CHECK: cost of 10 {{.*}} fptosi
+  %r49 = fptosi double undef to i64
+
+  ; CHECK: cost of 2 {{.*}} sitofp
+  %r50 = sitofp i1 undef to float
+  ; CHECK: cost of 2 {{.*}} uitofp
+  %r51 = uitofp i1 undef to float
+  ; CHECK: cost of 2 {{.*}} sitofp
+  %r52 = sitofp i1 undef to double
+  ; CHECK: cost of 2 {{.*}} uitofp
+  %r53 = uitofp i1 undef to double
+  ; CHECK: cost of 2 {{.*}} sitofp
+  %r54 = sitofp i8 undef to float
+  ; CHECK: cost of 2 {{.*}} uitofp
+  %r55 = uitofp i8 undef to float
+  ; CHECK: cost of 2 {{.*}} sitofp
+  %r56 = sitofp i8 undef to double
+  ; CHECK: cost of 2 {{.*}} uitofp
+  %r57 = uitofp i8 undef to double
+  ; CHECK: cost of 2 {{.*}} sitofp
+  %r58 = sitofp i16 undef to float
+  ; CHECK: cost of 2 {{.*}} uitofp
+  %r59 = uitofp i16 undef to float
+  ; CHECK: cost of 2 {{.*}} sitofp
+  %r60 = sitofp i16 undef to double
+  ; CHECK: cost of 2 {{.*}} uitofp
+  %r61 = uitofp i16 undef to double
+  ; CHECK: cost of 2 {{.*}} sitofp
+  %r62 = sitofp i32 undef to float
+  ; CHECK: cost of 2 {{.*}} uitofp
+  %r63 = uitofp i32 undef to float
+  ; CHECK: cost of 2 {{.*}} sitofp
+  %r64 = sitofp i32 undef to double
+  ; CHECK: cost of 2 {{.*}} uitofp
+  %r65 = uitofp i32 undef to double
+  ; Function call
+  ; CHECK: cost of 10 {{.*}} sitofp
+  %r66 = sitofp i64 undef to float
+  ; CHECK: cost of 10 {{.*}} uitofp
+  %r67 = uitofp i64 undef to float
+  ; CHECK: cost of 10 {{.*}} sitofp
+  %r68 = sitofp i64 undef to double
+  ; CHECK: cost of 10 {{.*}} uitofp
+  %r69 = uitofp i64 undef to double
+
+  ;CHECK: cost of 0 {{.*}} ret
+  ret i32 undef
+}
+