diff options
Diffstat (limited to 'test/CodeGen/X86/2010-07-11-FPStackLoneUse.ll')
| -rw-r--r-- | test/CodeGen/X86/2010-07-11-FPStackLoneUse.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2010-07-11-FPStackLoneUse.ll b/test/CodeGen/X86/2010-07-11-FPStackLoneUse.ll new file mode 100644 index 0000000..be7d94c --- /dev/null +++ b/test/CodeGen/X86/2010-07-11-FPStackLoneUse.ll @@ -0,0 +1,28 @@ +; RUN: llc < %s -mcpu=i486 +; PR7375 +; +; This function contains a block (while.cond) with a lonely RFP use that is +; not a kill. We still need an FP_REG_KILL for that block since the register +; allocator will insert a reload. +; +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" + +define void @_ZN7QVectorIdE4fillERKdi(double* nocapture %t) nounwind ssp align 2 { +entry: + %tmp2 = load double* %t ; <double> [#uses=1] + br i1 undef, label %if.end, label %if.then + +if.then: ; preds = %entry + br i1 undef, label %if.end, label %bb.nph + +while.cond: ; preds = %bb.nph, %while.cond + store double %tmp2, double* undef + br i1 undef, label %if.end, label %while.cond + +bb.nph: ; preds = %if.then + br label %while.cond + +if.end: ; preds = %while.cond, %if.then, %entry + ret void +} |
