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8a3553276e
Add a lit test that that uses vrsave register in the clobber list, and tests the extended mnemonics mtvrsave and mfvrsave.
43 lines
1.2 KiB
LLVM
43 lines
1.2 KiB
LLVM
; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -mtriple=powerpc-unknown-linux-gnu -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -mtriple=powerpc64-unknown-freebsd -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -mtriple=powerpc-unknown-freebsd -verify-machineinstrs < %s | FileCheck %s
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define dso_local void @moveToVRSave(i32 signext %i) {
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entry:
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tail call void asm sideeffect "mtvrsave $0", "r,~{vrsave}"(i32 %i)
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ret void
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}
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define dso_local signext i32 @moveFromVRSave() {
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entry:
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%0 = tail call i32 asm sideeffect "mfvrsave $0", "=r"()
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ret i32 %0
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}
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define dso_local void @moveToSPR(i32 signext %i) {
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entry:
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tail call void asm sideeffect "mtspr 256, $0", "r,~{vrsave}"(i32 %i)
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ret void
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}
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define dso_local signext i32 @moveFromSPR() {
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entry:
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%0 = tail call i32 asm sideeffect "mfspr $0, 256", "=r"()
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ret i32 %0
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}
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; CHECK-LABEl: moveToVRSave:
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; CHECK: mtvrsave 3
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; CHECK-LABEL: moveFromVRSave:
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; CHECK: mfvrsave {{[0-9]+}}
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; CHECK-LABEL: moveToSPR:
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; CHECK: mtspr 256, 3
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; CHECK-LABEL: moveFromSPR:
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; CHECK: mfspr {{[0-9]}}, 256
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