derek.holloway
7502bf64a4
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136 lines
4.8 KiB
LLVM
136 lines
4.8 KiB
LLVM
; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=volatile --test FileCheck --test-arg --check-prefixes=INTERESTING,CHECK --test-arg %s --test-arg --input-file %s -o %t
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; RUN: FileCheck -check-prefixes=RESULT,CHECK %s < %t
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; CHECK-LABEL: @load_volatile_keep(
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; INTERESTING: load volatile
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; RESULT: %op = load volatile i32,
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define i32 @load_volatile_keep(ptr %ptr) {
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%op = load volatile i32, ptr %ptr
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ret i32 %op
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}
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; CHECK-LABEL: @load_volatile_drop(
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; INTERESTING: load
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; RESULT: %op = load i32,
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define i32 @load_volatile_drop(ptr %ptr) {
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%op = load volatile i32, ptr %ptr
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ret i32 %op
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}
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; CHECK-LABEL: @store_volatile_keep(
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; INTERESTING: store volatile
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; RESULT: store volatile i32 0,
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define void @store_volatile_keep(ptr %ptr) {
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store volatile i32 0, ptr %ptr
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ret void
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}
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; CHECK-LABEL: @store_volatile_drop(
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; INTERESTING: store
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; RESULT: store i32 0,
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define void @store_volatile_drop(ptr %ptr) {
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store volatile i32 0, ptr %ptr
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ret void
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}
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; CHECK-LABEL: @atomicrmw_volatile_keep(
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; INTERESTING: atomicrmw volatile
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; RESULT: atomicrmw volatile add ptr %ptr
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define i32 @atomicrmw_volatile_keep(ptr %ptr) {
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%val = atomicrmw volatile add ptr %ptr, i32 3 seq_cst
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ret i32 %val
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}
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; CHECK-LABEL: @atomicrmw_volatile_drop(
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; INTERESTING: atomicrmw
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; RESULT: atomicrmw add ptr %ptr
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define i32 @atomicrmw_volatile_drop(ptr %ptr) {
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%val = atomicrmw volatile add ptr %ptr, i32 3 seq_cst
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ret i32 %val
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}
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; CHECK-LABEL: @cmpxchg_volatile_keep(
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; INTERESTING: cmpxchg volatile
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; RESULT: cmpxchg volatile ptr %ptr, i32 %old, i32 %in seq_cst seq_cst
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define { i32, i1 } @cmpxchg_volatile_keep(ptr %ptr, i32 %old, i32 %in) {
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%val = cmpxchg volatile ptr %ptr, i32 %old, i32 %in seq_cst seq_cst
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ret { i32, i1 } %val
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}
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; CHECK-LABEL: @cmpxchg_volatile_drop(
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; INTERESTING: cmpxchg
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; RESULT: cmpxchg ptr %ptr, i32 %old, i32 %in seq_cst seq_cst
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define { i32, i1 } @cmpxchg_volatile_drop(ptr %ptr, i32 %old, i32 %in) {
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%val = cmpxchg volatile ptr %ptr, i32 %old, i32 %in seq_cst seq_cst
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ret { i32, i1 } %val
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}
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; CHECK-LABEL: @memcpy_volatile_keep(
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; INTERESTING: i1 true
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; RESULT: call void @llvm.memcpy.p0.p0.i64(ptr %dst, ptr %src, i64 %size, i1 true)
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define void @memcpy_volatile_keep(ptr %dst, ptr %src, i64 %size) {
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call void @llvm.memcpy.p0.p0.i64(ptr %dst, ptr %src, i64 %size, i1 true)
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ret void
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}
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; CHECK-LABEL: @memcpy_volatile_drop(
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; INTERESTING: llvm.memcpy
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; RESULT: call void @llvm.memcpy.p0.p0.i64(ptr %dst, ptr %src, i64 %size, i1 false)
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define void @memcpy_volatile_drop(ptr %dst, ptr %src, i64 %size) {
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call void @llvm.memcpy.p0.p0.i64(ptr %dst, ptr %src, i64 %size, i1 true)
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ret void
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}
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; CHECK-LABEL: @memcpy_inline_volatile_keep(
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; INTERESTING: i1 true
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; RESULT: call void @llvm.memcpy.inline.p0.p0.i64(ptr %dst, ptr %src, i64 256, i1 true)
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define void @memcpy_inline_volatile_keep(ptr %dst, ptr %src) {
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call void @llvm.memcpy.inline.p0.p0.i64(ptr %dst, ptr %src, i64 256, i1 true)
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ret void
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}
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; CHECK-LABEL: @memcpy_inline_volatile_drop(
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; INTERESTING: llvm.memcpy
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; RESULT: call void @llvm.memcpy.inline.p0.p0.i64(ptr %dst, ptr %src, i64 256, i1 false)
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define void @memcpy_inline_volatile_drop(ptr %dst, ptr %src) {
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call void @llvm.memcpy.inline.p0.p0.i64(ptr %dst, ptr %src, i64 256, i1 true)
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ret void
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}
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; CHECK-LABEL: @memmove_volatile_keep(
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; INTERESTING: i1 true
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; RESULT: call void @llvm.memmove.p0.p0.i64(ptr %dst, ptr %src, i64 256, i1 true)
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define void @memmove_volatile_keep(ptr %dst, ptr %src) {
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call void @llvm.memmove.p0.p0.i64(ptr %dst, ptr %src, i64 256, i1 true)
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ret void
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}
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; CHECK-LABEL: @memmove_volatile_drop(
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; INTERESTING: llvm.memmove
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; RESULT: call void @llvm.memmove.p0.p0.i64(ptr %dst, ptr %src, i64 %size, i1 false)
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define void @memmove_volatile_drop(ptr %dst, ptr %src, i64 %size) {
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call void @llvm.memmove.p0.p0.i64(ptr %dst, ptr %src, i64 %size, i1 true)
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ret void
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}
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; CHECK-LABEL: @memset_volatile_keep(
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; INTERESTING: i1 true
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; RESULT: call void @llvm.memset.p0.i64(ptr %ptr, i8 %val, i64 %size, i1 true)
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define void @memset_volatile_keep(ptr %ptr, i8 %val, i64 %size) {
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call void @llvm.memset.p0.i64(ptr %ptr, i8 %val, i64 %size, i1 true)
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ret void
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}
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; CHECK-LABEL: @memset_volatile_drop(
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; INTERESTING: llvm.memset
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; RESULT: call void @llvm.memset.p0.i64(ptr %ptr, i8 %val, i64 %size, i1 false)
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define void @memset_volatile_drop(ptr %ptr, i8 %val, i64 %size) {
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call void @llvm.memset.p0.i64(ptr %ptr, i8 %val, i64 %size, i1 true)
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ret void
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}
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declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg)
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declare void @llvm.memmove.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg)
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declare void @llvm.memcpy.inline.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64 immarg, i1 immarg)
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declare void @llvm.memset.p0.i64(ptr noalias nocapture readonly, i8, i64, i1 immarg)
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