From 27679be2c0af6bd2b5316f9c15f883c253e6495d Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 30 Apr 2007 21:10:13 +0000 Subject: testcase for PR1357 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36598 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../PowerPC/2007-04-30-InlineAsmEarlyClobber.ll | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 test/CodeGen/PowerPC/2007-04-30-InlineAsmEarlyClobber.ll diff --git a/test/CodeGen/PowerPC/2007-04-30-InlineAsmEarlyClobber.ll b/test/CodeGen/PowerPC/2007-04-30-InlineAsmEarlyClobber.ll new file mode 100644 index 0000000000..f43b87c76d --- /dev/null +++ b/test/CodeGen/PowerPC/2007-04-30-InlineAsmEarlyClobber.ll @@ -0,0 +1,27 @@ +; RUN: llvm-as < %s | llc | grep {subfc r2,r5,r4} +; RUN: llvm-as < %s | llc | grep {subfze r4,r3} + +; PR1357 + +target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64" +target triple = "powerpc-apple-darwin8.8.0" + +;long long test(int A, int B, int C) { +; unsigned X, Y; +; __asm__ ("subf%I3c %1,%4,%3\n\tsubfze %0,%2" +; : "=r" (X), "=&r" (Y) +; : "r" (A), "rI" (B), "r" (C)); +; return ((long long)Y << 32) | X; +;} + +define i64 @test(i32 %A, i32 %B, i32 %C) { +entry: + %Y = alloca i32, align 4 ; [#uses=2] + %tmp4 = call i32 asm "subf${3:I}c $1,$4,$3\0A\09subfze $0,$2", "=r,=*&r,r,rI,r"( i32* %Y, i32 %A, i32 %B, i32 %C ) ; [#uses=1] + %tmp5 = load i32* %Y ; [#uses=1] + %tmp56 = zext i32 %tmp5 to i64 ; [#uses=1] + %tmp7 = shl i64 %tmp56, 32 ; [#uses=1] + %tmp89 = zext i32 %tmp4 to i64 ; [#uses=1] + %tmp10 = or i64 %tmp7, %tmp89 ; [#uses=1] + ret i64 %tmp10 +} -- cgit v1.2.3