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https://github.com/RPCS3/llvm.git
synced 2026-07-22 19:55:47 -04:00
Chandler Carruth
f970832c3b
This patch causes compile times for some patterns to explode. I have a (large, unreduced) test case that slows down by more than 20x and several test cases slow down by 2x. I'm sending some of the test cases directly to Nirav and following up with more details in the review log, but this should unblock anyone else hitting this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@296862 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
2.5 KiB
LLVM
56 lines
2.5 KiB
LLVM
; RUN: llc -verify-machineinstrs -mcpu=ppc64 -O0 < %s | FileCheck %s
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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-f128:128:128-v128:128:128-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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define { ppc_fp128, ppc_fp128 } @foo() nounwind {
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entry:
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%retval = alloca { ppc_fp128, ppc_fp128 }, align 16
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%x = alloca { ppc_fp128, ppc_fp128 }, align 16
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%real = getelementptr inbounds { ppc_fp128, ppc_fp128 }, { ppc_fp128, ppc_fp128 }* %x, i32 0, i32 0
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%imag = getelementptr inbounds { ppc_fp128, ppc_fp128 }, { ppc_fp128, ppc_fp128 }* %x, i32 0, i32 1
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store ppc_fp128 0xM400C0000000000000000000000000000, ppc_fp128* %real
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store ppc_fp128 0xMC00547AE147AE1483CA47AE147AE147A, ppc_fp128* %imag
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%x.realp = getelementptr inbounds { ppc_fp128, ppc_fp128 }, { ppc_fp128, ppc_fp128 }* %x, i32 0, i32 0
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%x.real = load ppc_fp128, ppc_fp128* %x.realp
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%x.imagp = getelementptr inbounds { ppc_fp128, ppc_fp128 }, { ppc_fp128, ppc_fp128 }* %x, i32 0, i32 1
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%x.imag = load ppc_fp128, ppc_fp128* %x.imagp
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%real1 = getelementptr inbounds { ppc_fp128, ppc_fp128 }, { ppc_fp128, ppc_fp128 }* %retval, i32 0, i32 0
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%imag2 = getelementptr inbounds { ppc_fp128, ppc_fp128 }, { ppc_fp128, ppc_fp128 }* %retval, i32 0, i32 1
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store ppc_fp128 %x.real, ppc_fp128* %real1
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store ppc_fp128 %x.imag, ppc_fp128* %imag2
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%0 = load { ppc_fp128, ppc_fp128 }, { ppc_fp128, ppc_fp128 }* %retval
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ret { ppc_fp128, ppc_fp128 } %0
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}
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; CHECK-LABEL: foo:
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; CHECK: lfd 1
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; CHECK: lfd 2
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; CHECK: lfd 3
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; CHECK: lfd 4
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define { float, float } @oof() nounwind {
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entry:
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%retval = alloca { float, float }, align 4
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%x = alloca { float, float }, align 4
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%real = getelementptr inbounds { float, float }, { float, float }* %x, i32 0, i32 0
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%imag = getelementptr inbounds { float, float }, { float, float }* %x, i32 0, i32 1
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store float 3.500000e+00, float* %real
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store float 0xC00547AE20000000, float* %imag
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%x.realp = getelementptr inbounds { float, float }, { float, float }* %x, i32 0, i32 0
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%x.real = load float, float* %x.realp
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%x.imagp = getelementptr inbounds { float, float }, { float, float }* %x, i32 0, i32 1
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%x.imag = load float, float* %x.imagp
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%real1 = getelementptr inbounds { float, float }, { float, float }* %retval, i32 0, i32 0
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%imag2 = getelementptr inbounds { float, float }, { float, float }* %retval, i32 0, i32 1
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store float %x.real, float* %real1
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store float %x.imag, float* %imag2
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%0 = load { float, float }, { float, float }* %retval
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ret { float, float } %0
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}
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; CHECK-LABEL: oof:
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; CHECK: lfs 2
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; CHECK: lfs 1
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