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; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=4 -sanitizer-coverage-trace-pc -sanitizer-coverage-prune-blocks=1 -S | FileCheck %s
; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=4 -sanitizer-coverage-trace-pc -sanitizer-coverage-prune-blocks=0 -S | FileCheck %s --check-prefix=CHECK_NO_PRUNE
define i32 @foo(i32) #0 {
%2 = icmp sgt i32 %0, 0
br i1 %2, label %left, label %right
; CHECK: call void @__sanitizer_cov_trace_pc()
; CHECK_NO_PRUNE: call void @__sanitizer_cov_trace_pc()
left:
%3 = icmp sgt i32 %0, 10
br i1 %3, label %left_left, label %left_right
; CHECK-LABEL: left:
; CHECK-NOT: call void @__sanitizer_cov_trace_pc()
; CHECK_NO_PRUNE-LABEL: left:
; CHECK_NO_PRUNE: call void @__sanitizer_cov_trace_pc()
left_left:
br label %left_join
; CHECK-LABEL: left_left:
; CHECK: call void @__sanitizer_cov_trace_pc()
; CHECK_NO_PRUNE-LABEL: left_left:
; CHECK_NO_PRUNE: call void @__sanitizer_cov_trace_pc()
left_right:
br label %left_join
; CHECK-LABEL: left_right:
; CHECK: call void @__sanitizer_cov_trace_pc()
; CHECK_NO_PRUNE-LABEL: left_right:
; CHECK_NO_PRUNE: call void @__sanitizer_cov_trace_pc()
left_join:
br label %finish
; CHECK-LABEL: left_join:
; CHECK-NOT: call void @__sanitizer_cov_trace_pc()
; CHECK_NO_PRUNE-LABEL: left_join:
; CHECK_NO_PRUNE: call void @__sanitizer_cov_trace_pc()
right:
%4 = icmp sgt i32 %0, 10
br i1 %4, label %right_left, label %right_right
; CHECK-LABEL: right:
; CHECK-NOT: call void @__sanitizer_cov_trace_pc()
; CHECK_NO_PRUNE-LABEL: right:
; CHECK_NO_PRUNE: call void @__sanitizer_cov_trace_pc()
right_left:
br label %right_join
; CHECK-LABEL: right_left:
; CHECK: call void @__sanitizer_cov_trace_pc()
; CHECK_NO_PRUNE-LABEL: right_left:
; CHECK_NO_PRUNE: call void @__sanitizer_cov_trace_pc()
right_right:
br label %right_join
; CHECK-LABEL: right_right:
; CHECK: call void @__sanitizer_cov_trace_pc()
; CHECK_NO_PRUNE-LABEL: right_right:
; CHECK_NO_PRUNE: call void @__sanitizer_cov_trace_pc()
right_join:
br label %finish
; CHECK-LABEL: right_join:
; CHECK-NOT: call void @__sanitizer_cov_trace_pc()
; CHECK_NO_PRUNE-LABEL: right_join:
; CHECK_NO_PRUNE: call void @__sanitizer_cov_trace_pc()
finish:
ret i32 %0
; CHECK-LABEL: finish:
; CHECK-NOT: call void @__sanitizer_cov_trace_pc()
; CHECK_NO_PRUNE-LABEL: finish:
; CHECK_NO_PRUNE: call void @__sanitizer_cov_trace_pc()
}
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