diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/PowerPC/2007-04-30-InlineAsmEarlyClobber.ll | 27 |
1 files changed, 27 insertions, 0 deletions
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 ; <i32*> [#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 ) ; <i32> [#uses=1] + %tmp5 = load i32* %Y ; <i32> [#uses=1] + %tmp56 = zext i32 %tmp5 to i64 ; <i64> [#uses=1] + %tmp7 = shl i64 %tmp56, 32 ; <i64> [#uses=1] + %tmp89 = zext i32 %tmp4 to i64 ; <i64> [#uses=1] + %tmp10 = or i64 %tmp7, %tmp89 ; <i64> [#uses=1] + ret i64 %tmp10 +} |