167ff5280d
Do not call `TryToShrinkGlobalToBoolean` for address spaces that don't allow initializers. It inserts an initializer value while shrinking to bool. Used the target hook introduced with D109337 to skip this call for the restricted address spaces. Reviewed By: tra Differential Revision: https://reviews.llvm.org/D109823
40 lines
1.1 KiB
LLVM
40 lines
1.1 KiB
LLVM
; RUN: opt -passes=globalopt --mtriple=amdgcn-amd-amdhsa < %s -S | FileCheck %s
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; REQUIRES: amdgpu-registered-target
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@gvar = internal unnamed_addr global i32 undef
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@lvar = internal unnamed_addr addrspace(3) global i32 undef
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; Should optimize @gvar.
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; CHECK-NOT: @gvar
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; Negative test for AS(3). Skip shrink global to bool optimization.
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; CHECK: @lvar = internal unnamed_addr addrspace(3) global i32 undef
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define void @test_global_var() {
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; CHECK-LABEL: @test_global_var(
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; CHECK: store volatile i32 10, i32* undef, align 4
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;
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entry:
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store i32 10, i32* @gvar
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br label %exit
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exit:
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%ld = load i32, i32* @gvar
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store volatile i32 %ld, i32* undef
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ret void
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}
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define void @test_lds_var() {
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; CHECK-LABEL: @test_lds_var(
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; CHECK: store i32 10, i32 addrspace(3)* @lvar, align 4
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; CHECK: [[LD:%.*]] = load i32, i32 addrspace(3)* @lvar, align 4
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; CHECK: store volatile i32 [[LD]], i32* undef, align 4
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;
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entry:
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store i32 10, i32 addrspace(3)* @lvar
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br label %exit
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exit:
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%ld = load i32, i32 addrspace(3)* @lvar
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store volatile i32 %ld, i32* undef
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ret void
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}
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