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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declare void @vararg(...)
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@vararg_ptr = hidden global ptr @vararg, align 4
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%struct.libcS = type { i8, i16, i32, i32, float, double }
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define hidden void @fptr_single_i32(i32 noundef %x) {
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; OPT-LABEL: @fptr_single_i32(
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; OPT-NEXT: entry:
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; OPT-NEXT: [[TMP0:%.*]] = load volatile ptr, ptr @vararg_ptr, align 4
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; OPT-NEXT: tail call void (...) [[TMP0]](i32 noundef [[X:%.*]])
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; OPT-NEXT: ret void
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;
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; ABI-LABEL: @fptr_single_i32(
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; ABI-NEXT: entry:
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; ABI-NEXT: [[VARARG_BUFFER:%.*]] = alloca [[FPTR_SINGLE_I32_VARARG:%.*]], align 16
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; ABI-NEXT: [[TMP0:%.*]] = load volatile ptr, ptr @vararg_ptr, align 4
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; ABI-NEXT: call void @llvm.lifetime.start.p0(i64 4, ptr [[VARARG_BUFFER]])
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; ABI-NEXT: [[TMP1:%.*]] = getelementptr inbounds nuw [[FPTR_SINGLE_I32_VARARG]], ptr [[VARARG_BUFFER]], i32 0, i32 0
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; ABI-NEXT: store i32 [[X:%.*]], ptr [[TMP1]], align 4
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; ABI-NEXT: call void [[TMP0]](ptr [[VARARG_BUFFER]])
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; ABI-NEXT: call void @llvm.lifetime.end.p0(i64 4, ptr [[VARARG_BUFFER]])
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; ABI-NEXT: ret void
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;
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entry:
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%0 = load volatile ptr, ptr @vararg_ptr, align 4
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tail call void (...) %0(i32 noundef %x)
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ret void
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}
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define hidden void @fptr_libcS(ptr noundef byval(%struct.libcS) align 8 %x) {
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; OPT-LABEL: @fptr_libcS(
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; OPT-NEXT: entry:
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; OPT-NEXT: [[TMP0:%.*]] = load volatile ptr, ptr @vararg_ptr, align 4
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; OPT-NEXT: tail call void (...) [[TMP0]](ptr noundef nonnull byval([[STRUCT_LIBCS:%.*]]) align 8 [[X:%.*]])
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; OPT-NEXT: ret void
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;
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; ABI-LABEL: @fptr_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 [[FPTR_LIBCS_VARARG:%.*]], align 16
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; ABI-NEXT: [[TMP0:%.*]] = load volatile ptr, ptr @vararg_ptr, align 4
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; ABI-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr [[INDIRECTALLOCA]], ptr [[X:%.*]], i64 24, i1 false)
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; ABI-NEXT: call void @llvm.lifetime.start.p0(i64 4, ptr [[VARARG_BUFFER]])
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; ABI-NEXT: [[TMP1:%.*]] = getelementptr inbounds nuw [[FPTR_LIBCS_VARARG]], ptr [[VARARG_BUFFER]], i32 0, i32 0
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; ABI-NEXT: store ptr [[INDIRECTALLOCA]], ptr [[TMP1]], align 4
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; ABI-NEXT: call void [[TMP0]](ptr [[VARARG_BUFFER]])
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; ABI-NEXT: call void @llvm.lifetime.end.p0(i64 4, ptr [[VARARG_BUFFER]])
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; ABI-NEXT: ret void
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;
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entry:
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%0 = load volatile ptr, ptr @vararg_ptr, align 4
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tail call void (...) %0(ptr noundef nonnull byval(%struct.libcS) align 8 %x)
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ret void
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}
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