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| author | dim <dim@FreeBSD.org> | 2012-04-14 13:54:10 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2012-04-14 13:54:10 +0000 |
| commit | 1fc08f5e9ef733ef1ce6f363fecedc2260e78974 (patch) | |
| tree | 19c69a04768629f2d440944b71cbe90adae0b615 /test/CodeGen/X86/uint64-to-float.ll | |
| parent | 07637c87f826cdf411f0673595e9bc92ebd793f2 (diff) | |
| download | FreeBSD-src-1fc08f5e9ef733ef1ce6f363fecedc2260e78974.zip FreeBSD-src-1fc08f5e9ef733ef1ce6f363fecedc2260e78974.tar.gz | |
Vendor import of llvm trunk r154661:
http://llvm.org/svn/llvm-project/llvm/trunk@r154661
Diffstat (limited to 'test/CodeGen/X86/uint64-to-float.ll')
| -rw-r--r-- | test/CodeGen/X86/uint64-to-float.ll | 35 |
1 files changed, 5 insertions, 30 deletions
diff --git a/test/CodeGen/X86/uint64-to-float.ll b/test/CodeGen/X86/uint64-to-float.ll index 1dbbdcf..e853e77 100644 --- a/test/CodeGen/X86/uint64-to-float.ll +++ b/test/CodeGen/X86/uint64-to-float.ll @@ -1,4 +1,4 @@ -; RUN: llc < %s -march=x86-64 | FileCheck %s +; RUN: llc < %s -mcpu=generic -march=x86-64 | FileCheck %s ; Verify that we are using the efficient uitofp --> sitofp lowering illustrated ; by the compiler_rt implementation of __floatundisf. ; <rdar://problem/8493982> @@ -6,37 +6,12 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" target triple = "x86_64-apple-darwin10.0.0" -; FIXME: This test could generate this code: -; -; ## BB#0: ## %entry -; testq %rdi, %rdi -; jns LBB0_2 -; ## BB#1: -; movq %rdi, %rax -; shrq %rax -; andq $1, %rdi -; orq %rax, %rdi -; cvtsi2ssq %rdi, %xmm0 -; addss %xmm0, %xmm0 -; ret -; LBB0_2: ## %entry -; cvtsi2ssq %rdi, %xmm0 -; ret -; -; The blocks come from lowering: -; -; %vreg7<def> = CMOV_FR32 %vreg6<kill>, %vreg5<kill>, 15, %EFLAGS<imp-use>; FR32:%vreg7,%vreg6,%vreg5 -; -; If the instruction had an EFLAGS<kill> flag, it wouldn't need to mark EFLAGS -; as live-in on the new blocks, and machine sinking would be able to sink -; everything below the test. - -; CHECK: shrq -; CHECK: andq -; CHECK-NEXT: orq ; CHECK: testq %rdi, %rdi ; CHECK-NEXT: jns LBB0_2 -; CHECK: cvtsi2ss +; CHECK: shrq +; CHECK-NEXT: andq +; CHECK-NEXT: orq +; CHECK-NEXT: cvtsi2ss ; CHECK: LBB0_2 ; CHECK-NEXT: cvtsi2ss define float @test(i64 %a) { |
