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fd77171a96
Summary: In preparation of D65531 as well as the reuse of these tests for the Attributor, we modernize them and use the update_test_checks to simplify updates. This was done with the update_test_checks after D68819 and D68850. Reviewers: hfinkel, vsk, dblaikie, davidxl, tejohnson, tstellar, echristo, chandlerc, efriedma, lebedev.ri Subscribers: bollu, arphaman, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D68766
44 lines
1.3 KiB
LLVM
44 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
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; RUN: opt < %s -argpromotion -S | FileCheck %s
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; PR2498
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; This test tries to convince CHECK about promoting the load from %A + 2,
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; because there is a load of %A in the entry block
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define internal i32 @callee(i1 %C, i32* %A) {
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; CHECK-LABEL: define {{[^@]+}}@callee
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; CHECK-SAME: (i1 [[C:%.*]], i32* [[A:%.*]])
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A_0:%.*]] = load i32, i32* [[A]]
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; CHECK-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
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; CHECK: T:
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; CHECK-NEXT: ret i32 [[A_0]]
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; CHECK: F:
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; CHECK-NEXT: [[A_2:%.*]] = getelementptr i32, i32* [[A]], i32 2
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; CHECK-NEXT: [[R:%.*]] = load i32, i32* [[A_2]]
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; CHECK-NEXT: ret i32 [[R]]
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;
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entry:
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; Unconditonally load the element at %A
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%A.0 = load i32, i32* %A
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br i1 %C, label %T, label %F
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T:
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ret i32 %A.0
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F:
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; Load the element at offset two from %A. This should not be promoted!
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%A.2 = getelementptr i32, i32* %A, i32 2
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%R = load i32, i32* %A.2
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ret i32 %R
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}
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define i32 @foo() {
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; CHECK-LABEL: define {{[^@]+}}@foo()
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; CHECK-NEXT: [[X:%.*]] = call i32 @callee(i1 false, i32* null)
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; CHECK-NEXT: ret i32 [[X]]
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;
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%X = call i32 @callee(i1 false, i32* null) ; <i32> [#uses=1]
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ret i32 %X
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}
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