derek.holloway
7502bf64a4
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219 lines
6.1 KiB
LLVM
219 lines
6.1 KiB
LLVM
; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s
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; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -frame-pointer=all < %s | FileCheck -check-prefix=CHECK-FP %s
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; RUN: llc -mtriple=powerpc-unknown-linux-gnu -frame-pointer=all < %s | FileCheck -check-prefix=CHECK-32 %s
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; RUN: llc -mtriple=powerpc-unknown-linux-gnu -frame-pointer=all -relocation-model=pic < %s | FileCheck -check-prefix=CHECK-32-PIC %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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%struct.s = type { i32, i32 }
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declare void @bar(ptr)
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@barbaz = external global i32
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define void @goo(ptr byval(%struct.s) nocapture readonly %a) {
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entry:
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%x = alloca [2 x i32], align 32
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%0 = load i32, ptr %a, align 4
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store i32 %0, ptr %x, align 32
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%b = getelementptr inbounds %struct.s, ptr %a, i64 0, i32 1
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%1 = load i32, ptr %b, align 4
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%2 = load i32, ptr @barbaz, align 4
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%arrayidx2 = getelementptr inbounds [2 x i32], ptr %x, i64 0, i64 1
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store i32 %2, ptr %arrayidx2, align 4
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call void @bar(ptr %x)
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ret void
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}
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; CHECK-LABEL: @goo
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; CHECK-DAG: mflr {{[0-9]+}}
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; CHECK-DAG: clrldi [[REG:[0-9]+]], 1, 59
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; CHECK-DAG: std 30, -16(1)
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; CHECK-DAG: mr 30, 1
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; CHECK-DAG: std 0, 16(1)
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; CHECK-DAG: subfic 0, [[REG]], -160
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; CHECK: stdux 1, 1, 0
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; CHECK: .cfi_def_cfa_register r30
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; CHECK: .cfi_offset r30, -16
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; CHECK: .cfi_offset lr, 16
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; CHECK: std 3, 48(30)
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; CHECK: mr 1, 30
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; CHECK-DAG: ld [[SR:[0-9]+]], 16(1)
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; CHECK-DAG: ld 30, -16(1)
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; CHECK-DAG: mtlr [[SR]]
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; CHECK: blr
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; CHECK-FP-LABEL: @goo
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; CHECK-FP-DAG: mflr {{[0-9]+}}
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; CHECK-FP-DAG: clrldi [[REG:[0-9]+]], 1, 59
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; CHECK-FP-DAG: std 31, -8(1)
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; CHECK-FP-DAG: std 30, -16(1)
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; CHECK-FP-DAG: mr 30, 1
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; CHECK-FP-DAG: std 0, 16(1)
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; CHECK-FP-DAG: subfic 0, [[REG]], -160
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; CHECK-FP: stdux 1, 1, 0
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; CHECK-FP: .cfi_def_cfa_register r30
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; CHECK-FP: .cfi_offset r31, -8
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; CHECK-FP: .cfi_offset r30, -16
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; CHECK-FP: .cfi_offset lr, 16
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; CHECK-FP: mr 31, 1
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; CHECK-FP: std 3, 48(30)
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; CHECK-FP: mr 1, 30
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; CHECK-FP-DAG: ld [[SR:[0-9]+]], 16(1)
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; CHECK-FP-DAG: ld 31, -8(1)
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; CHECK-FP-DAG: ld 30, -16(1)
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; CHECK-FP-DAG: mtlr [[SR]]
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; CHECK-FP: blr
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; CHECK-32-LABEL: @goo
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; CHECK-32-DAG: mflr [[LR:[0-9]+]]
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; CHECK-32-DAG: clrlwi [[REG:[0-9]+]], 1, 27
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; CHECK-32-DAG: stw [[LR]], 4(1)
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; CHECK-32-DAG: subfic 0, [[REG]], -64
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; CHECK-32: stwux 1, 1, 0
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; CHECK-32: sub 0, 1, 0
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; CHECK-32: addic 0, 0, -4
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; CHECK-32: stwx 31, 0, 0
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; CHECK-32: addic 0, 0, -4
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; CHECK-32: stwx 30, 0, 0
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; CHECK-32: addic 30, 0, 8
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; CHECK-32-PIC-LABEL: @goo
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; CHECK-32-PIC-DAG: mflr [[LR:[0-9]+]]
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; CHECK-32-PIC-DAG: clrlwi [[REG:[0-9]+]], 1, 27
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; CHECK-32-PIC-DAG: stw [[LR]], 4(1)
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; CHECK-32-PIC-DAG: subfic 0, [[REG]], -64
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; CHECK-32-PIC: stwux 1, 1, 0
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; CHECK-32-PIC: sub 0, 1, 0
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; CHECK-32-PIC: addic 0, 0, -4
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; CHECK-32-PIC: stwx 31, 0, 0
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; CHECK-32-PIC: addic 0, 0, -4
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; CHECK-32-PIC: stwx 30, 0, 0
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; CHECK-32-PIC: addic 0, 0, -4
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; CHECK-32-PIC: stwx 29, 0, 0
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; CHECK-32-PIC: addic 29, 0, 12
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; The large-frame-size case.
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define void @hoo(ptr byval(%struct.s) nocapture readonly %a) {
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entry:
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%x = alloca [200000 x i32], align 32
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%0 = load i32, ptr %a, align 4
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store i32 %0, ptr %x, align 32
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%b = getelementptr inbounds %struct.s, ptr %a, i64 0, i32 1
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%1 = load i32, ptr %b, align 4
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%arrayidx2 = getelementptr inbounds [200000 x i32], ptr %x, i64 0, i64 1
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store i32 %1, ptr %arrayidx2, align 4
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call void @bar(ptr %x)
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ret void
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}
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; CHECK-LABEL: @hoo
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; CHECK-DAG: lis [[REG1:[0-9]+]], -13
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; CHECK-DAG: clrldi [[REG3:[0-9]+]], 1, 59
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; CHECK-DAG: mflr {{[0-9]+}}
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; CHECK-DAG: ori [[REG2:[0-9]+]], [[REG1]], 51808
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; CHECK-DAG: std 30, -16(1)
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; CHECK-DAG: mr 30, 1
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; CHECK-DAG: std 0, 16(1)
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; CHECK-DAG: subc 0, [[REG2]], [[REG3]]
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; CHECK: stdux 1, 1, 0
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; CHECK: .cfi_def_cfa_register r30
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; CHECK: blr
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; CHECK-32-LABEL: @hoo
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; CHECK-32-DAG: lis [[REG1:[0-9]+]], -13
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; CHECK-32-DAG: clrlwi [[REG3:[0-9]+]], 1, 27
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; CHECK-32-DAG: mflr [[LR:[0-9]+]]
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; CHECK-32-DAG: ori [[REG2:[0-9]+]], [[REG1]], 51904
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; CHECK-32-DAG: stw [[LR]], 4(1)
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; CHECK-32-DAG: subc 0, [[REG2]], [[REG3]]
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; CHECK-32: stwux 1, 1, 0
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; CHECK-32: sub 0, 1, 0
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; CHECK-32: addic 0, 0, -4
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; CHECK-32: stwx 31, 0, 0
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; CHECK-32: addic 0, 0, -4
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; CHECK-32: stwx 30, 0, 0
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; CHECK-32: addic 30, 0, 8
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; CHECK-32: blr
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; CHECK-32-PIC-LABEL: @hoo
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; CHECK-32-PIC-DAG: lis [[REG1:[0-9]+]], -13
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; CHECK-32-PIC-DAG: clrlwi [[REG3:[0-9]+]], 1, 27
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; CHECK-32-PIC-DAG: mflr {{[0-9]+}}
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; CHECK-32-PIC-DAG: ori [[REG2:[0-9]+]], [[REG1]], 51904
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; CHECK-32-PIC-DAG: stw 0, 4(1)
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; CHECK-32-PIC-DAG: subc 0, [[REG2]], [[REG3]]
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; CHECK-32-PIC: stwux 1, 1, 0
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; CHECK-32-PIC: sub 0, 1, 0
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; CHECK-32-PIC: addic 0, 0, -4
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; CHECK-32-PIC: stwx 31, 0, 0
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; CHECK-32-PIC: addic 0, 0, -8
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; CHECK-32-PIC: stwx 29, 0, 0
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; CHECK-32-PIC: addic 29, 0, 12
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; CHECK-32: blr
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; Make sure that the FP save area is still allocated correctly relative to
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; where r30 is saved.
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define void @loo(ptr byval(%struct.s) nocapture readonly %a) {
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entry:
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%x = alloca [2 x i32], align 32
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%0 = load i32, ptr %a, align 4
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store i32 %0, ptr %x, align 32
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%b = getelementptr inbounds %struct.s, ptr %a, i64 0, i32 1
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%1 = load i32, ptr %b, align 4
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%arrayidx2 = getelementptr inbounds [2 x i32], ptr %x, i64 0, i64 1
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store i32 %1, ptr %arrayidx2, align 4
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call void @bar(ptr %x)
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call void asm sideeffect "", "~{f30}"() nounwind
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ret void
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}
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; CHECK-LABEL: @loo
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; CHECK-DAG: mflr {{[0-9]+}}
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; CHECK-DAG: clrldi [[REG:[0-9]+]], 1, 59
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; CHECK-DAG: std 30, -32(1)
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; CHECK-DAG: mr 30, 1
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; CHECK-DAG: std 0, 16(1)
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; CHECK-DAG: subfic 0, [[REG]], -192
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; CHECK: stdux 1, 1, 0
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; CHECK: .cfi_def_cfa_register r30
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; CHECK: stfd 30, -16(30)
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; CHECK: blr
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; CHECK-FP-LABEL: @loo
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; CHECK-FP-DAG: mflr {{[0-9]+}}
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; CHECK-FP-DAG: clrldi [[REG:[0-9]+]], 1, 59
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; CHECK-FP-DAG: std 31, -24(1)
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; CHECK-FP-DAG: std 30, -32(1)
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; CHECK-FP-DAG: mr 30, 1
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; CHECK-FP-DAG: std 0, 16(1)
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; CHECK-FP-DAG: subfic 0, [[REG]], -192
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; CHECK-FP: stdux 1, 1, 0
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; CHECK-FP: .cfi_def_cfa_register r30
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; CHECK-FP: stfd 30, -16(30)
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; CHECK-FP: blr
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