1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature 2; RUN: opt -inline -preserve-alignment-assumptions-during-inlining -S < %s | FileCheck %s 3target 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" 4target triple = "x86_64-unknown-linux-gnu" 5 6; Test behavior of inserted alignment assumptions with byref. There is 7; no implied copy to a higher alignment, so an alignment assume call 8; should be inserted. 9define void @byref_callee(float* align(128) byref(float) nocapture %a, float* %b) #0 { 10; CHECK-LABEL: define {{[^@]+}}@byref_callee 11; CHECK-SAME: (float* nocapture byref(float) align 128 [[A:%.*]], float* [[B:%.*]]) [[ATTR0:#.*]] { 12; CHECK-NEXT: entry: 13; CHECK-NEXT: [[LOAD:%.*]] = load float, float* [[A]], align 4 14; CHECK-NEXT: [[B_IDX:%.*]] = getelementptr inbounds float, float* [[B]], i64 8 15; CHECK-NEXT: [[ADD:%.*]] = fadd float [[LOAD]], 2.000000e+00 16; CHECK-NEXT: store float [[ADD]], float* [[B_IDX]], align 4 17; CHECK-NEXT: ret void 18; 19entry: 20 %load = load float, float* %a, align 4 21 %b.idx = getelementptr inbounds float, float* %b, i64 8 22 %add = fadd float %load, 2.0 23 store float %add, float* %b.idx, align 4 24 ret void 25} 26 27define void @byref_caller(float* nocapture align 64 %a, float* %b) #0 { 28; CHECK-LABEL: define {{[^@]+}}@byref_caller 29; CHECK-SAME: (float* nocapture align 64 [[A:%.*]], float* [[B:%.*]]) [[ATTR0]] { 30; CHECK-NEXT: entry: 31; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(float* [[A]], i64 128) ] 32; CHECK-NEXT: [[LOAD_I:%.*]] = load float, float* [[A]], align 4 33; CHECK-NEXT: [[B_IDX_I:%.*]] = getelementptr inbounds float, float* [[B]], i64 8 34; CHECK-NEXT: [[ADD_I:%.*]] = fadd float [[LOAD_I]], 2.000000e+00 35; CHECK-NEXT: store float [[ADD_I]], float* [[B_IDX_I]], align 4 36; CHECK-NEXT: [[CALLER_LOAD:%.*]] = load float, float* [[B]], align 4 37; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 7 38; CHECK-NEXT: store float [[CALLER_LOAD]], float* [[ARRAYIDX]], align 4 39; CHECK-NEXT: ret void 40; 41entry: 42 call void @byref_callee(float* align(128) byref(float) %a, float* %b) 43 %caller.load = load float, float* %b, align 4 44 %arrayidx = getelementptr inbounds float, float* %a, i64 7 45 store float %caller.load, float* %arrayidx, align 4 46 ret void 47} 48 49attributes #0 = { nounwind uwtable } 50