41 lines
1.4 KiB
LLVM
41 lines
1.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple armv6t2 %s -o - | FileCheck %s
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; RUN: llc -mtriple thumbv6t2 %s -o - | FileCheck %s --check-prefix=CHECK-T2
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; RUN: llc -mtriple armv7 %s -o - | FileCheck %s
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; RUN: llc -mtriple thumbv7 %s -o - | FileCheck %s --check-prefix=CHECK-T2
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; RUN: llc -mtriple thumbv7m %s -o - | FileCheck %s --check-prefix=CHECK-T2
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; RUN: llc -mtriple thumbv8m.main %s -o - | FileCheck %s --check-prefix=CHECK-T2
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@a = common dso_local local_unnamed_addr global i16 0, align 2
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define dso_local arm_aapcscc i32** @pr36577() {
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; CHECK-LABEL: pr36577:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: movw r0, :lower16:a
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; CHECK-NEXT: mvn r1, #7
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; CHECK-NEXT: movt r0, :upper16:a
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; CHECK-NEXT: ldrh r0, [r0]
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; CHECK-NEXT: mvn r0, r0, lsr #7
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; CHECK-NEXT: orr r0, r1, r0, lsl #2
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; CHECK-NEXT: bx lr
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;
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; CHECK-T2-LABEL: pr36577:
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; CHECK-T2: @ %bb.0: @ %entry
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; CHECK-T2-NEXT: movw r0, :lower16:a
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; CHECK-T2-NEXT: mvn r1, #7
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; CHECK-T2-NEXT: movt r0, :upper16:a
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; CHECK-T2-NEXT: ldrh r0, [r0]
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; CHECK-T2-NEXT: mvn.w r0, r0, lsr #7
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; CHECK-T2-NEXT: orr.w r0, r1, r0, lsl #2
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; CHECK-T2-NEXT: bx lr
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entry:
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%0 = load i16, i16* @a, align 2
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%1 = lshr i16 %0, 7
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%2 = and i16 %1, 1
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%3 = zext i16 %2 to i32
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%4 = xor i32 %3, -1
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%add.ptr = getelementptr inbounds i32*, i32** null, i32 %4
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ret i32** %add.ptr
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}
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