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Inliner: Add missing test for alignment assume with byval

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No tests were stressing the behavior for hasPassPointeeByValueAttr.
This commit is contained in:
Matt Arsenault 2020-06-26 12:00:44 -04:00
parent 8ded996357
commit 89d92f55da
1 changed files with 55 additions and 0 deletions
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55
test/Transforms/Inline/byval-align.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
; RUN: opt -inline -preserve-alignment-assumptions-during-inlining -S < %s | FileCheck %s
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"
target triple = "x86_64-unknown-linux-gnu"
; Test behavior of inserted alignment assumptions with byval. No
; assume should be inserted.
define void @byval_callee(float* byval(float) align 128 nocapture %a, float* %b) #0 {
; CHECK-LABEL: define {{[^@]+}}@byval_callee
; CHECK-SAME: (float* nocapture byval(float) align 128 [[A:%.*]], float* [[B:%.*]]) #0
; CHECK-NEXT: entry:
; CHECK-NEXT: [[LOAD:%.*]] = load float, float* [[A]], align 4
; CHECK-NEXT: [[B_IDX:%.*]] = getelementptr inbounds float, float* [[B]], i64 8
; CHECK-NEXT: [[ADD:%.*]] = fadd float [[LOAD]], 2.000000e+00
; CHECK-NEXT: store float [[ADD]], float* [[B_IDX]], align 4
; CHECK-NEXT: ret void
;
entry:
%load = load float, float* %a, align 4
%b.idx = getelementptr inbounds float, float* %b, i64 8
%add = fadd float %load, 2.0
store float %add, float* %b.idx, align 4
ret void
}
define void @byval_caller(float* nocapture align 64 %a, float* %b) #0 {
; CHECK-LABEL: define {{[^@]+}}@byval_caller
; CHECK-SAME: (float* nocapture align 64 [[A:%.*]], float* [[B:%.*]]) #0
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A1:%.*]] = alloca float, align 128
; CHECK-NEXT: [[TMP0:%.*]] = bitcast float* [[A1]] to i8*
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 4, i8* [[TMP0]])
; CHECK-NEXT: [[TMP1:%.*]] = bitcast float* [[A1]] to i8*
; CHECK-NEXT: [[TMP2:%.*]] = bitcast float* [[A]] to i8*
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 [[TMP1]], i8* align 1 [[TMP2]], i64 4, i1 false)
; CHECK-NEXT: [[LOAD_I:%.*]] = load float, float* [[A1]], align 4
; CHECK-NEXT: [[B_IDX_I:%.*]] = getelementptr inbounds float, float* [[B]], i64 8
; CHECK-NEXT: [[ADD_I:%.*]] = fadd float [[LOAD_I]], 2.000000e+00
; CHECK-NEXT: store float [[ADD_I]], float* [[B_IDX_I]], align 4
; CHECK-NEXT: [[TMP3:%.*]] = bitcast float* [[A1]] to i8*
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 4, i8* [[TMP3]])
; CHECK-NEXT: [[CALLER_LOAD:%.*]] = load float, float* [[B]], align 4
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 7
; CHECK-NEXT: store float [[CALLER_LOAD]], float* [[ARRAYIDX]], align 4
; CHECK-NEXT: ret void
;
entry:
call void @byval_callee(float* byval(float) align 128 %a, float* %b)
%caller.load = load float, float* %b, align 4
%arrayidx = getelementptr inbounds float, float* %a, i64 7
store float %caller.load, float* %arrayidx, align 4
ret void
}
attributes #0 = { nounwind uwtable }