94473f4db6
Generate nuw GEPs for struct member accesses, as inbounds + non-negative implies nuw. Regression tests are updated using update scripts where possible, and by find + replace where not.
60 lines
2.8 KiB
LLVM
60 lines
2.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -mtriple=wasm32-unknown-unknown -S --passes=expand-variadics --expand-variadics-override=optimize < %s | FileCheck %s -check-prefixes=OPT
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; RUN: opt -mtriple=wasm32-unknown-unknown -S --passes=expand-variadics --expand-variadics-override=lowering < %s | FileCheck %s -check-prefixes=ABI
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; REQUIRES: webassembly-registered-target
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; CHECK: @sink
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declare void @sink(...)
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%struct.libcS = type { i8, i16, i32, i32, float, double }
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define void @i32_libcS(i32 %x, %struct.libcS %y) {
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; OPT-LABEL: @i32_libcS(
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; OPT-NEXT: entry:
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; OPT-NEXT: tail call void (...) @sink(i32 [[X:%.*]], [[STRUCT_LIBCS:%.*]] [[Y:%.*]])
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; OPT-NEXT: ret void
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;
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; ABI-LABEL: @i32_libcS(
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; ABI-NEXT: entry:
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; ABI-NEXT: [[INDIRECTALLOCA:%.*]] = alloca [[STRUCT_LIBCS:%.*]], align 8
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; ABI-NEXT: [[VARARG_BUFFER:%.*]] = alloca [[I32_LIBCS_VARARG:%.*]], align 16
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; ABI-NEXT: store [[STRUCT_LIBCS]] [[Y:%.*]], ptr [[INDIRECTALLOCA]], align 8
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; ABI-NEXT: call void @llvm.lifetime.start.p0(i64 8, ptr [[VARARG_BUFFER]])
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; ABI-NEXT: [[TMP0:%.*]] = getelementptr inbounds nuw [[I32_LIBCS_VARARG]], ptr [[VARARG_BUFFER]], i32 0, i32 0
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; ABI-NEXT: store i32 [[X:%.*]], ptr [[TMP0]], align 4
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; ABI-NEXT: [[TMP1:%.*]] = getelementptr inbounds nuw [[I32_LIBCS_VARARG]], ptr [[VARARG_BUFFER]], i32 0, i32 1
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; ABI-NEXT: store ptr [[INDIRECTALLOCA]], ptr [[TMP1]], align 4
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; ABI-NEXT: call void @sink(ptr [[VARARG_BUFFER]])
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; ABI-NEXT: call void @llvm.lifetime.end.p0(i64 8, ptr [[VARARG_BUFFER]])
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; ABI-NEXT: ret void
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;
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entry:
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tail call void (...) @sink(i32 %x, %struct.libcS %y)
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ret void
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}
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define void @libcS_i32(%struct.libcS %x, i32 %y) {
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; OPT-LABEL: @libcS_i32(
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; OPT-NEXT: entry:
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; OPT-NEXT: tail call void (...) @sink([[STRUCT_LIBCS:%.*]] [[X:%.*]], i32 [[Y:%.*]])
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; OPT-NEXT: ret void
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;
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; ABI-LABEL: @libcS_i32(
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; ABI-NEXT: entry:
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; ABI-NEXT: [[INDIRECTALLOCA:%.*]] = alloca [[STRUCT_LIBCS:%.*]], align 8
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; ABI-NEXT: [[VARARG_BUFFER:%.*]] = alloca [[LIBCS_I32_VARARG:%.*]], align 16
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; ABI-NEXT: store [[STRUCT_LIBCS]] [[X:%.*]], ptr [[INDIRECTALLOCA]], align 8
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; ABI-NEXT: call void @llvm.lifetime.start.p0(i64 8, ptr [[VARARG_BUFFER]])
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; ABI-NEXT: [[TMP0:%.*]] = getelementptr inbounds nuw [[LIBCS_I32_VARARG]], ptr [[VARARG_BUFFER]], i32 0, i32 0
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; ABI-NEXT: store ptr [[INDIRECTALLOCA]], ptr [[TMP0]], align 4
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; ABI-NEXT: [[TMP1:%.*]] = getelementptr inbounds nuw [[LIBCS_I32_VARARG]], ptr [[VARARG_BUFFER]], i32 0, i32 1
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; ABI-NEXT: store i32 [[Y:%.*]], ptr [[TMP1]], align 4
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; ABI-NEXT: call void @sink(ptr [[VARARG_BUFFER]])
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; ABI-NEXT: call void @llvm.lifetime.end.p0(i64 8, ptr [[VARARG_BUFFER]])
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; ABI-NEXT: ret void
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;
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entry:
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tail call void (...) @sink(%struct.libcS %x, i32 %y)
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ret void
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}
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