http://llvm.org/bugs/show_bug.cgi?id=16687
Bug ID: 16687
Summary: Cannot promote non-promotable alloca!
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Scalar Optimizations
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
; ModuleID = 'b.bc'
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"
target triple = "x86_64-unknown-linux-gnu"
; Function Attrs: nounwind uwtable
define void @test() {
entry:
%sminval.i = alloca i64, align 8
unreachable
if.then2.i125: ; preds = %if.then.i124
%sminval.0.cast.i = bitcast i64* %sminval.i to float*
br label %if.end.i128
if.else.i: ; preds = %if.then.i124
%sminval.4.raw_cast.i = bitcast i64* %sminval.i to i8*
%sminval.4.raw_idx.i = getelementptr inbounds i8* %sminval.4.raw_cast.i, i64
4
%sminval.4.cast.i = bitcast i8* %sminval.4.raw_idx.i to float*
br label %if.end.i128
if.end.i128: ; preds = %if.else.i,
%if.then2.i125
%min.0.in.i = phi float* [ %sminval.0.cast.i, %if.then2.i125 ], [
%sminval.4.cast.i, %if.else.i ]
%min.0.i126 = load float* %min.0.in.i, align 4
unreachable
}
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