mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 16:33:37 +01:00
93 lines
2.4 KiB
LLVM
93 lines
2.4 KiB
LLVM
; RUN: opt < %s -indvars -S | FileCheck %s
|
|
define void @test1() nounwind {
|
|
entry:
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb, %entry
|
|
%x.0.reg2mem.0 = phi double [ 0.000000e+00, %entry ], [ %1, %bb ] ; <double> [#uses=2]
|
|
%0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind ; <i32> [#uses=0]
|
|
%1 = fadd double %x.0.reg2mem.0, 1.000000e+00 ; <double> [#uses=2]
|
|
%2 = fcmp olt double %1, 1.000000e+04 ; <i1> [#uses=1]
|
|
br i1 %2, label %bb, label %return
|
|
|
|
return: ; preds = %bb
|
|
ret void
|
|
; CHECK: @test1
|
|
; CHECK: icmp
|
|
}
|
|
|
|
declare i32 @foo(double)
|
|
|
|
define void @test2() nounwind {
|
|
entry:
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb, %entry
|
|
%x.0.reg2mem.0 = phi double [ -10.000000e+00, %entry ], [ %1, %bb ] ; <double> [#uses=2]
|
|
%0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind ; <i32> [#uses=0]
|
|
%1 = fadd double %x.0.reg2mem.0, 2.000000e+00 ; <double> [#uses=2]
|
|
%2 = fcmp olt double %1, -1.000000e+00 ; <i1> [#uses=1]
|
|
br i1 %2, label %bb, label %return
|
|
|
|
return: ; preds = %bb
|
|
ret void
|
|
; CHECK: @test2
|
|
; CHECK: icmp
|
|
}
|
|
|
|
|
|
define void @test3() nounwind {
|
|
entry:
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb, %entry
|
|
%x.0.reg2mem.0 = phi double [ 0.000000e+00, %entry ], [ %1, %bb ]
|
|
%0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind
|
|
%1 = fadd double %x.0.reg2mem.0, 1.000000e+00
|
|
%2 = fcmp olt double %1, -1.000000e+00
|
|
br i1 %2, label %bb, label %return
|
|
|
|
return:
|
|
ret void
|
|
; CHECK: @test3
|
|
; CHECK: fcmp
|
|
}
|
|
|
|
define void @test4() nounwind {
|
|
entry:
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb, %entry
|
|
%x.0.reg2mem.0 = phi double [ 40.000000e+00, %entry ], [ %1, %bb ] ; <double> [#uses=2]
|
|
%0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind ; <i32> [#uses=0]
|
|
%1 = fadd double %x.0.reg2mem.0, -1.000000e+00 ; <double> [#uses=2]
|
|
%2 = fcmp olt double %1, 1.000000e+00 ; <i1> [#uses=1]
|
|
br i1 %2, label %bb, label %return
|
|
|
|
return:
|
|
ret void
|
|
; CHECK: @test4
|
|
; CHECK-NOT: cmp
|
|
; CHECK: br i1 false
|
|
}
|
|
|
|
; PR6761
|
|
define void @test5() nounwind {
|
|
; <label>:0
|
|
br label %1
|
|
|
|
; <label>:1 ; preds = %1, %0
|
|
%2 = phi double [ 9.000000e+00, %0 ], [ %4, %1 ] ; <double> [#uses=1]
|
|
%3 = tail call i32 @foo(double 0.0) ; <i32> [#uses=0]
|
|
%4 = fadd double %2, -1.000000e+00 ; <double> [#uses=2]
|
|
%5 = fcmp ult double %4, 0.000000e+00 ; <i1> [#uses=1]
|
|
br i1 %5, label %exit, label %1
|
|
|
|
exit:
|
|
ret void
|
|
|
|
; CHECK: @test5
|
|
; CHECK: icmp slt i32 {{.*}}, 0
|
|
; CHECK-NEXT: br i1
|
|
}
|