Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/2008-10-27-CoalescerBug.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
---|---|
date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | afa8332a0e37 |
line wrap: on
line source
; REQUIRES: asserts ; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+sse2 -stats 2>&1 | FileCheck %s ; Now this test spills one register. But a reload in the loop is cheaper than ; the divsd so it's a win. define fastcc void @fourn(double* %data, i32 %isign) nounwind { ; CHECK: fourn entry: br label %bb bb: ; preds = %bb, %entry %indvar93 = phi i32 [ 0, %entry ], [ %idim.030, %bb ] ; <i32> [#uses=2] %idim.030 = add i32 %indvar93, 1 ; <i32> [#uses=1] %0 = add i32 %indvar93, 2 ; <i32> [#uses=1] %1 = icmp sgt i32 %0, 2 ; <i1> [#uses=1] br i1 %1, label %bb30.loopexit, label %bb ; CHECK: %bb30.loopexit ; CHECK: divsd %xmm0 ; CHECK: movsd %xmm0, 16(%esp) ; CHECK: %bb3 bb3: ; preds = %bb30.loopexit, %bb25, %bb3 %2 = load i32* null, align 4 ; <i32> [#uses=1] %3 = mul i32 %2, 0 ; <i32> [#uses=1] %4 = icmp slt i32 0, %3 ; <i1> [#uses=1] br i1 %4, label %bb18, label %bb3 bb18: ; preds = %bb3 %5 = fdiv double %11, 0.000000e+00 ; <double> [#uses=1] %6 = tail call double @sin(double %5) nounwind readonly ; <double> [#uses=1] br label %bb24.preheader bb22.preheader: ; preds = %bb24.preheader, %bb22.preheader br label %bb22.preheader bb25: ; preds = %bb24.preheader %7 = fmul double 0.000000e+00, %6 ; <double> [#uses=0] %8 = add i32 %i3.122100, 0 ; <i32> [#uses=1] %9 = icmp sgt i32 %8, 0 ; <i1> [#uses=1] br i1 %9, label %bb3, label %bb24.preheader bb24.preheader: ; preds = %bb25, %bb18 %i3.122100 = or i32 0, 1 ; <i32> [#uses=2] %10 = icmp slt i32 0, %i3.122100 ; <i1> [#uses=1] br i1 %10, label %bb25, label %bb22.preheader bb30.loopexit: ; preds = %bb %11 = fmul double 0.000000e+00, 0x401921FB54442D1C ; <double> [#uses=1] br label %bb3 } declare double @sin(double) nounwind readonly