| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s |
| |
| |
| @i = constant i32 1, align 4 |
| @f = constant float 0x3FF19999A0000000, align 4 |
| @cmp = common global i32 0, align 4 |
| @resf = common global ptr null, align 8 |
| @resi = common global ptr null, align 8 |
| |
| define i32 @foo() { |
| entry: |
| br label %while.cond |
| |
| while.cond: |
| %res.0 = phi ptr [ null, %entry ], [ @i, %if.then ], [ @f, %if.else ] |
| %0 = load i32, ptr @cmp, align 4 |
| %shr = ashr i32 %0, 1 |
| store i32 %shr, ptr @cmp, align 4 |
| %tobool = icmp ne i32 %shr, 0 |
| br i1 %tobool, label %while.body, label %while.end |
| |
| while.body: |
| %and = and i32 %shr, 1 |
| %tobool1 = icmp ne i32 %and, 0 |
| br i1 %tobool1, label %if.then, label %if.else |
| |
| if.then: |
| br label %while.cond |
| |
| if.else: |
| br label %while.cond |
| |
| while.end: |
| store ptr %res.0, ptr @resf, align 8 |
| store ptr %res.0, ptr @resi, align 8 |
| ret i32 0 |
| |
| ; CHECK-NOT: bitcast i32 |
| } |
| |
