0489e89119
When the source has a series of assignments, users reasonably want to have the debugger step through each one individually. Turn off the combine for adjacent stores so we get this behavior at -O0. Similar to D7181. Reviewed By: spatel, xgupta Differential Revision: https://reviews.llvm.org/D115808
17 lines
519 B
LLVM
17 lines
519 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s | FileCheck %s
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; This test verifies that a repeated store is not eliminated with optnone (improves debugging).
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define void @foo(i32* %p) noinline optnone {
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; CHECK-LABEL: foo:
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; CHECK: # %bb.0:
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; CHECK-NEXT: li a1, 8
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; CHECK-NEXT: sw a1, 0(a0)
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; CHECK-NEXT: sw a1, 0(a0)
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; CHECK-NEXT: ret
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store i32 8, i32* %p, align 4
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store i32 8, i32* %p, align 4
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ret void
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}
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