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llvm-mirror/test/CodeGen/Hexagon/gp-rel.ll
Jyotsna Verma 8a524534a6 Hexagon: Use multiclass for gp-relative instructions.
Remove noV4T gp-relative instructions.

llvm-svn: 178246
2013-03-28 16:25:57 +00:00

34 lines
926 B
LLVM

; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
; Check that gp-relative instructions are being generated.
@a = common global i32 0, align 4
@b = common global i32 0, align 4
@c = common global i32 0, align 4
define i32 @foo(i32 %p) #0 {
entry:
; CHECK: r{{[0-9]+}}{{ *}}={{ *}}memw(#a)
; CHECK: r{{[0-9]+}}{{ *}}={{ *}}memw(#b)
; CHECK: if{{ *}}(p{{[0-3]}}) memw(##c){{ *}}={{ *}}r{{[0-9]+}}
%0 = load i32* @a, align 4
%1 = load i32* @b, align 4
%add = add nsw i32 %1, %0
%cmp = icmp eq i32 %0, %1
br i1 %cmp, label %if.then, label %entry.if.end_crit_edge
entry.if.end_crit_edge:
%.pre = load i32* @c, align 4
br label %if.end
if.then:
%add1 = add nsw i32 %add, %0
store i32 %add1, i32* @c, align 4
br label %if.end
if.end:
%2 = phi i32 [ %.pre, %entry.if.end_crit_edge ], [ %add1, %if.then ]
%cmp2 = icmp eq i32 %add, %2
%sel1 = select i1 %cmp2, i32 %2, i32 %1
ret i32 %sel1
}