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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt < %s -S -passes=ipsccp | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define void @fn2(ptr %P, i1 %arg) {
; CHECK-LABEL: define {{[^@]+}}@fn2
; CHECK-SAME: (ptr [[P:%.*]], i1 [[ARG:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[IF_END:%.*]]
; CHECK: for.cond1:
; CHECK-NEXT: br i1 [[ARG]], label [[IF_END]], label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: [[CALL:%.*]] = call i32 @fn1(i32 undef)
; CHECK-NEXT: store i32 [[CALL]], ptr [[P]], align 4
; CHECK-NEXT: br label [[FOR_COND1:%.*]]
;
entry:
br label %if.end
for.cond1: ; preds = %if.end, %for.end
br i1 %arg, label %if.end, label %if.end
if.end: ; preds = %lbl, %for.cond1
%e.2 = phi ptr [ undef, %entry ], [ null, %for.cond1 ], [ null, %for.cond1 ]
%0 = load i32, ptr %e.2, align 4
%call = call i32 @fn1(i32 %0)
store i32 %call, ptr %P
br label %for.cond1
}
define internal i32 @fn1(i32 %p1) {
; CHECK-LABEL: define {{[^@]+}}@fn1
; CHECK-SAME: (i32 [[P1:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 undef, 0
; CHECK-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], i32 undef, i32 undef
; CHECK-NEXT: ret i32 [[COND]]
;
entry:
%tobool = icmp ne i32 %p1, 0
%cond = select i1 %tobool, i32 %p1, i32 %p1
ret i32 %cond
}
define void @fn_no_null_opt(ptr %P, i1 %arg) #0 {
; CHECK-LABEL: define {{[^@]+}}@fn_no_null_opt
; CHECK-SAME: (ptr [[P:%.*]], i1 [[ARG:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[IF_END:%.*]]
; CHECK: for.cond1:
; CHECK-NEXT: br i1 [[ARG]], label [[IF_END]], label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr null, align 4
; CHECK-NEXT: [[CALL:%.*]] = call i32 @fn0(i32 [[TMP0]])
; CHECK-NEXT: store i32 [[CALL]], ptr [[P]], align 4
; CHECK-NEXT: br label [[FOR_COND1:%.*]]
;
entry:
br label %if.end
for.cond1: ; preds = %if.end, %for.end
br i1 %arg, label %if.end, label %if.end
if.end: ; preds = %lbl, %for.cond1
%e.2 = phi ptr [ undef, %entry ], [ null, %for.cond1 ], [ null, %for.cond1 ]
%0 = load i32, ptr %e.2, align 4
%call = call i32 @fn0(i32 %0)
store i32 %call, ptr %P
br label %for.cond1
}
define internal i32 @fn0(i32 %p1) {
; CHECK-LABEL: define {{[^@]+}}@fn0
; CHECK-SAME: (i32 [[P1:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[P1]], 0
; CHECK-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], i32 [[P1]], i32 [[P1]]
; CHECK-NEXT: ret i32 [[COND]]
;
entry:
%tobool = icmp ne i32 %p1, 0
%cond = select i1 %tobool, i32 %p1, i32 %p1
ret i32 %cond
}
attributes #0 = { null_pointer_is_valid }
|
