1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3 2; RUN: opt -passes=mergefunc -S %s | FileCheck %s 3 4; This test contains three identical functions, aside from the metadata 5; they pass to a function call. This test verifies that the function merger 6; pass is able to merge the two functions that are truly identical, 7; but the third that passes different metadata is preserved 8 9declare { ptr, i1 } @llvm.type.checked.load(ptr, i32, metadata) 10 11define i1 @merge_candidate_a(ptr %ptr, i32 %offset) { 12; CHECK-LABEL: define i1 @merge_candidate_a( 13; CHECK-SAME: ptr [[PTR:%.*]], i32 [[OFFSET:%.*]]) { 14; CHECK-NEXT: [[TMP1:%.*]] = call { ptr, i1 } @llvm.type.checked.load(ptr [[PTR]], i32 [[OFFSET]], metadata !"common_metadata") 15; CHECK-NEXT: [[TMP2:%.*]] = extractvalue { ptr, i1 } [[TMP1]], 1 16; CHECK-NEXT: ret i1 [[TMP2]] 17; 18 %1 = call { ptr, i1 } @llvm.type.checked.load(ptr %ptr, i32 %offset, metadata !"common_metadata") 19 %2 = extractvalue { ptr, i1 } %1, 1 20 ret i1 %2 21} 22 23define i1 @merge_candidate_c(ptr %ptr, i32 %offset) { 24; CHECK-LABEL: define i1 @merge_candidate_c( 25; CHECK-SAME: ptr [[PTR:%.*]], i32 [[OFFSET:%.*]]) { 26; CHECK-NEXT: [[TMP1:%.*]] = call { ptr, i1 } @llvm.type.checked.load(ptr [[PTR]], i32 [[OFFSET]], metadata !"different_metadata") 27; CHECK-NEXT: [[TMP2:%.*]] = extractvalue { ptr, i1 } [[TMP1]], 1 28; CHECK-NEXT: ret i1 [[TMP2]] 29; 30 %1 = call { ptr, i1 } @llvm.type.checked.load(ptr %ptr, i32 %offset, metadata !"different_metadata") 31 %2 = extractvalue { ptr, i1 } %1, 1 32 ret i1 %2 33} 34 35define i1 @merge_candidate_b(ptr %ptr, i32 %offset) { 36; CHECK-LABEL: define i1 @merge_candidate_b( 37; CHECK-SAME: ptr [[TMP0:%.*]], i32 [[TMP1:%.*]]) { 38; CHECK-NEXT: [[TMP3:%.*]] = tail call i1 @merge_candidate_a(ptr [[TMP0]], i32 [[TMP1]]) 39; CHECK-NEXT: ret i1 [[TMP3]] 40; 41 %1 = call { ptr, i1 } @llvm.type.checked.load(ptr %ptr, i32 %offset, metadata !"common_metadata") 42 %2 = extractvalue { ptr, i1 } %1, 1 43 ret i1 %2 44} 45