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49 lines
1.2 KiB
LLVM
49 lines
1.2 KiB
LLVM
; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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define i32 @test1() #0 {
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entry:
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%conv67.reload = load i32, i32* undef
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%const = bitcast i32 65535 to i32
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br label %next
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next:
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%shl161 = shl nuw nsw i32 %conv67.reload, 15
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%0 = load i8, i8* undef, align 1
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%conv169 = zext i8 %0 to i32
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%shl170 = shl nuw nsw i32 %conv169, 7
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%const_mat = add i32 %const, -32767
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%shl161.masked = and i32 %shl161, %const_mat
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%conv174 = or i32 %shl170, %shl161.masked
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ret i32 %conv174
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; CHECK-LABEL: @test1
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; CHECK-NOT: rlwimi 3, {{[0-9]+}}, 15, 0, 16
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; CHECK: blr
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}
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define i32 @test2() #0 {
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entry:
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%conv67.reload = load i32, i32* undef
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%const = bitcast i32 65535 to i32
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br label %next
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next:
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%shl161 = shl nuw nsw i32 %conv67.reload, 15
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%0 = load i8, i8* undef, align 1
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%conv169 = zext i8 %0 to i32
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%shl170 = shl nuw nsw i32 %conv169, 7
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%shl161.masked = and i32 %shl161, 32768
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%conv174 = or i32 %shl170, %shl161.masked
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ret i32 %conv174
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; CHECK-LABEL: @test2
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; CHECK: slwi 3, {{[0-9]+}}, 7
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; CHECK: rlwimi 3, {{[0-9]+}}, 15, 16, 16
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; CHECK: blr
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}
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attributes #0 = { nounwind }
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