derek.holloway
7502bf64a4
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149 lines
6.3 KiB
LLVM
149 lines
6.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=nsan -nsan-shadow-type-mapping=dqq -S %s | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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; Tests for invoke instructions that require special handling of the phis.
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declare float @may_throw()
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declare void @personalityFn()
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define float @invoke1() sanitize_numerical_stability personality void ()* @personalityFn {
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; CHECK-LABEL: @invoke1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C:%.*]] = invoke float @may_throw()
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; CHECK-NEXT: to label [[TMP0:%.*]] unwind label [[LAND:%.*]]
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; CHECK: 0:
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; CHECK-NEXT: [[TMP1:%.*]] = load i64, ptr @__nsan_shadow_ret_tag, align 8
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; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], ptrtoint (ptr @may_throw to i64)
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; CHECK-NEXT: [[TMP3:%.*]] = load double, ptr @__nsan_shadow_ret_ptr, align 8
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; CHECK-NEXT: [[TMP4:%.*]] = fpext float [[C]] to double
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; CHECK-NEXT: [[TMP5:%.*]] = select i1 [[TMP2]], double [[TMP3]], double [[TMP4]]
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; CHECK-NEXT: br label [[CONTINUE:%.*]]
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; CHECK: continue:
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; CHECK-NEXT: br label [[EXIT:%.*]]
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; CHECK: land:
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; CHECK-NEXT: [[RES:%.*]] = landingpad { ptr, i32 }
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: [[LV:%.*]] = uitofp i32 1 to float
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[R:%.*]] = phi float [ [[LV]], [[LAND]] ], [ [[C]], [[CONTINUE]] ]
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; CHECK-NEXT: [[TMP6:%.*]] = phi double [ 1.000000e+00, [[LAND]] ], [ [[TMP5]], [[CONTINUE]] ]
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; CHECK-NEXT: [[TMP7:%.*]] = call i32 @__nsan_internal_check_float_d(float [[R]], double [[TMP6]], i32 1, i64 0)
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; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i32 [[TMP7]], 1
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; CHECK-NEXT: [[TMP9:%.*]] = fpext float [[R]] to double
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; CHECK-NEXT: [[TMP10:%.*]] = select i1 [[TMP8]], double [[TMP9]], double [[TMP6]]
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; CHECK-NEXT: store i64 ptrtoint (ptr @invoke1 to i64), ptr @__nsan_shadow_ret_tag, align 8
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; CHECK-NEXT: store double [[TMP10]], ptr @__nsan_shadow_ret_ptr, align 8
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; CHECK-NEXT: ret float [[R]]
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;
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entry:
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%c = invoke float @may_throw() to label %continue unwind label %land
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continue:
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br label %exit
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land:
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%res = landingpad { ptr, i32 } cleanup
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%lv = uitofp i32 1 to float
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br label %exit
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exit:
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%r = phi float [ %lv, %land], [ %c, %continue ]
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ret float %r
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}
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define float @invoke2() sanitize_numerical_stability personality void ()* @personalityFn {
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; CHECK-LABEL: @invoke2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C:%.*]] = invoke float @may_throw()
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; CHECK-NEXT: to label [[TMP0:%.*]] unwind label [[LAND:%.*]]
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; CHECK: 0:
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; CHECK-NEXT: [[TMP1:%.*]] = load i64, ptr @__nsan_shadow_ret_tag, align 8
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; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], ptrtoint (ptr @may_throw to i64)
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; CHECK-NEXT: [[TMP3:%.*]] = load double, ptr @__nsan_shadow_ret_ptr, align 8
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; CHECK-NEXT: [[TMP4:%.*]] = fpext float [[C]] to double
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; CHECK-NEXT: [[TMP5:%.*]] = select i1 [[TMP2]], double [[TMP3]], double [[TMP4]]
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; CHECK-NEXT: br label [[CONTINUE:%.*]]
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; CHECK: continue:
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; CHECK-NEXT: [[CV:%.*]] = fadd float [[C]], 2.000000e+00
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; CHECK-NEXT: [[TMP6:%.*]] = fadd double [[TMP5]], 2.000000e+00
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; CHECK-NEXT: br label [[EXIT:%.*]]
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; CHECK: land:
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; CHECK-NEXT: [[RES:%.*]] = landingpad { ptr, i32 }
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: [[LV:%.*]] = uitofp i32 1 to float
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[R:%.*]] = phi float [ [[LV]], [[LAND]] ], [ [[CV]], [[CONTINUE]] ]
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; CHECK-NEXT: [[TMP7:%.*]] = phi double [ 1.000000e+00, [[LAND]] ], [ [[TMP6]], [[CONTINUE]] ]
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; CHECK-NEXT: [[TMP8:%.*]] = call i32 @__nsan_internal_check_float_d(float [[R]], double [[TMP7]], i32 1, i64 0)
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; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP8]], 1
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; CHECK-NEXT: [[TMP10:%.*]] = fpext float [[R]] to double
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; CHECK-NEXT: [[TMP11:%.*]] = select i1 [[TMP9]], double [[TMP10]], double [[TMP7]]
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; CHECK-NEXT: store i64 ptrtoint (ptr @invoke2 to i64), ptr @__nsan_shadow_ret_tag, align 8
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; CHECK-NEXT: store double [[TMP11]], ptr @__nsan_shadow_ret_ptr, align 8
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; CHECK-NEXT: ret float [[R]]
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;
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entry:
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%c = invoke float @may_throw() to label %continue unwind label %land
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continue:
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%cv = fadd float %c, 2.0
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br label %exit
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land:
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%res = landingpad { ptr, i32 } cleanup
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%lv = uitofp i32 1 to float
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br label %exit
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exit:
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%r = phi float [ %lv, %land], [ %cv, %continue ]
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ret float %r
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}
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define float @invoke3() sanitize_numerical_stability personality void ()* @personalityFn {
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; CHECK-LABEL: @invoke3(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C:%.*]] = invoke float @may_throw()
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; CHECK-NEXT: to label [[TMP0:%.*]] unwind label [[LAND:%.*]]
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; CHECK: land:
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; CHECK-NEXT: [[RES:%.*]] = landingpad { ptr, i32 }
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: [[LV:%.*]] = uitofp i32 1 to float
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; CHECK-NEXT: br label [[EXIT:%.*]]
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; CHECK: 0:
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; CHECK-NEXT: [[TMP1:%.*]] = load i64, ptr @__nsan_shadow_ret_tag, align 8
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; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], ptrtoint (ptr @may_throw to i64)
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; CHECK-NEXT: [[TMP3:%.*]] = load double, ptr @__nsan_shadow_ret_ptr, align 8
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; CHECK-NEXT: [[TMP4:%.*]] = fpext float [[C]] to double
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; CHECK-NEXT: [[TMP5:%.*]] = select i1 [[TMP2]], double [[TMP3]], double [[TMP4]]
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[R:%.*]] = phi float [ [[LV]], [[LAND]] ], [ [[C]], [[TMP0]] ]
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; CHECK-NEXT: [[TMP6:%.*]] = phi double [ 1.000000e+00, [[LAND]] ], [ [[TMP5]], [[TMP0]] ]
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; CHECK-NEXT: [[TMP7:%.*]] = call i32 @__nsan_internal_check_float_d(float [[R]], double [[TMP6]], i32 1, i64 0)
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; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i32 [[TMP7]], 1
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; CHECK-NEXT: [[TMP9:%.*]] = fpext float [[R]] to double
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; CHECK-NEXT: [[TMP10:%.*]] = select i1 [[TMP8]], double [[TMP9]], double [[TMP6]]
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; CHECK-NEXT: store i64 ptrtoint (ptr @invoke3 to i64), ptr @__nsan_shadow_ret_tag, align 8
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; CHECK-NEXT: store double [[TMP10]], ptr @__nsan_shadow_ret_ptr, align 8
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; CHECK-NEXT: ret float [[R]]
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;
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entry:
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%c = invoke float @may_throw() to label %exit unwind label %land
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land:
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%res = landingpad { ptr, i32 } cleanup
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%lv = uitofp i32 1 to float
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br label %exit
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exit:
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%r = phi float [ %lv, %land], [ %c, %entry ]
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ret float %r
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}
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