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50 lines
2.4 KiB
50 lines
2.4 KiB
4 months ago
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
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; RUN: opt -inline -preserve-alignment-assumptions-during-inlining -S < %s | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Test behavior of inserted alignment assumptions with byref. There is
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; no implied copy to a higher alignment, so an alignment assume call
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; should be inserted.
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define void @byref_callee(float* align(128) byref(float) nocapture %a, float* %b) #0 {
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; CHECK-LABEL: define {{[^@]+}}@byref_callee
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; CHECK-SAME: (float* nocapture byref(float) align 128 [[A:%.*]], float* [[B:%.*]]) [[ATTR0:#.*]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[LOAD:%.*]] = load float, float* [[A]], align 4
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; CHECK-NEXT: [[B_IDX:%.*]] = getelementptr inbounds float, float* [[B]], i64 8
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; CHECK-NEXT: [[ADD:%.*]] = fadd float [[LOAD]], 2.000000e+00
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; CHECK-NEXT: store float [[ADD]], float* [[B_IDX]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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%load = load float, float* %a, align 4
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%b.idx = getelementptr inbounds float, float* %b, i64 8
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%add = fadd float %load, 2.0
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store float %add, float* %b.idx, align 4
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ret void
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}
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define void @byref_caller(float* nocapture align 64 %a, float* %b) #0 {
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; CHECK-LABEL: define {{[^@]+}}@byref_caller
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; CHECK-SAME: (float* nocapture align 64 [[A:%.*]], float* [[B:%.*]]) [[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(float* [[A]], i64 128) ]
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; CHECK-NEXT: [[LOAD_I:%.*]] = load float, float* [[A]], align 4
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; CHECK-NEXT: [[B_IDX_I:%.*]] = getelementptr inbounds float, float* [[B]], i64 8
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; CHECK-NEXT: [[ADD_I:%.*]] = fadd float [[LOAD_I]], 2.000000e+00
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; CHECK-NEXT: store float [[ADD_I]], float* [[B_IDX_I]], align 4
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; CHECK-NEXT: [[CALLER_LOAD:%.*]] = load float, float* [[B]], align 4
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 7
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; CHECK-NEXT: store float [[CALLER_LOAD]], float* [[ARRAYIDX]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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call void @byref_callee(float* align(128) byref(float) %a, float* %b)
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%caller.load = load float, float* %b, align 4
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%arrayidx = getelementptr inbounds float, float* %a, i64 7
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store float %caller.load, float* %arrayidx, align 4
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ret void
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}
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attributes #0 = { nounwind uwtable }
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