derek.holloway
7502bf64a4
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53 lines
2.1 KiB
LLVM
53 lines
2.1 KiB
LLVM
; RUN: opt -mtriple=x86_64-unknown-linux-gnu < %s -passes=dfsan -S --dfsan-abilist=%S/Inputs/shadow-args-abilist.txt | FileCheck %s
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; REQUIRES: x86-registered-target
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; Test that the custom abi marks shadow parameters as zero extended.
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define i32 @m() {
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; CHECK-LABEL: @m.dfsan
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; CHECK: %{{.*}} = call zeroext i16 @__dfsw_dfsan_get_label(i64 signext 56, i8 zeroext 0, ptr %{{.*}})
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entry:
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%call = call zeroext i16 @dfsan_get_label(i64 signext 56)
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%conv = zext i16 %call to i32
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ret i32 %conv
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}
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define i32 @k() {
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; CHECK-LABEL: @k.dfsan
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; CHECK: %{{.*}} = call zeroext i16 @__dfsw_k2(i64 signext 56, i64 signext 67, i8 zeroext {{.*}}, i8 zeroext {{.*}}, ptr %{{.*}})
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entry:
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%call = call zeroext i16 @k2(i64 signext 56, i64 signext 67)
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%conv = zext i16 %call to i32
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ret i32 %conv
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}
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define i32 @k3() {
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; CHECK-LABEL: @k3.dfsan
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; CHECK: %{{.*}} = call zeroext i16 @__dfsw_k4(i64 signext 56, i64 signext 67, i64 signext 78, i64 signext 89, i8 zeroext {{.*}}, i8 zeroext {{.*}}, i8 zeroext {{.*}}, i8 zeroext {{.*}}, ptr %{{.*}})
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entry:
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%call = call zeroext i16 @k4(i64 signext 56, i64 signext 67, i64 signext 78, i64 signext 89)
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%conv = zext i16 %call to i32
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ret i32 %conv
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}
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declare zeroext i16 @dfsan_get_label(i64 signext)
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; CHECK-LABEL: @"dfsw$dfsan_get_label"
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; CHECK: %{{.*}} = call i16 @__dfsw_dfsan_get_label(i64 %0, i8 zeroext %1, ptr %{{.*}})
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declare zeroext i16 @k2(i64 signext, i64 signext)
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; CHECK-LABEL: @"dfsw$k2"
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; CHECK: %{{.*}} = call i16 @__dfsw_k2(i64 %{{.*}}, i64 %{{.*}}, i8 zeroext %{{.*}}, i8 zeroext %{{.*}}, ptr %{{.*}})
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declare zeroext i16 @k4(i64 signext, i64 signext, i64 signext, i64 signext)
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; CHECK-LABEL: @"dfsw$k4"
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; CHECK: %{{.*}} = call i16 @__dfsw_k4(i64 %{{.*}}, i64 %{{.*}}, i64 %{{.*}}, i64 %{{.*}}, i8 zeroext %{{.*}}, i8 zeroext %{{.*}}, i8 zeroext %{{.*}}, i8 zeroext %{{.*}}, ptr %{{.*}})
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; CHECK: declare zeroext i16 @__dfsw_dfsan_get_label(i64 signext, i8, ptr)
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; CHECK: declare zeroext i16 @__dfsw_k2(i64 signext, i64 signext, i8, i8, ptr)
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; CHECK: declare zeroext i16 @__dfsw_k4(i64 signext, i64 signext, i64 signext, i64 signext, i8, i8, i8, i8, ptr)
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