549 lines
16 KiB
LLVM
549 lines
16 KiB
LLVM
; Test spilling using MVC. The tests here assume z10 register pressure,
|
|
; without the high words being available.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 -verify-machineinstrs | FileCheck %s
|
|
|
|
declare void @foo()
|
|
|
|
@g0 = global i32 0
|
|
@g1 = global i32 1
|
|
@g2 = global i32 2
|
|
@g3 = global i32 3
|
|
@g4 = global i32 4
|
|
@g5 = global i32 5
|
|
@g6 = global i32 6
|
|
@g7 = global i32 7
|
|
@g8 = global i32 8
|
|
@g9 = global i32 9
|
|
|
|
@h0 = global i64 0
|
|
@h1 = global i64 1
|
|
@h2 = global i64 2
|
|
@h3 = global i64 3
|
|
@h4 = global i64 4
|
|
@h5 = global i64 5
|
|
@h6 = global i64 6
|
|
@h7 = global i64 7
|
|
@h8 = global i64 8
|
|
@h9 = global i64 9
|
|
|
|
; This function shouldn't spill anything
|
|
define void @f1(i32 *%ptr0) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: stmg
|
|
; CHECK: aghi %r15, -160
|
|
; CHECK-NOT: %r15
|
|
; CHECK: brasl %r14, foo@PLT
|
|
; CHECK-NOT: %r15
|
|
; CHECK: lmg
|
|
; CHECK: br %r14
|
|
%ptr1 = getelementptr i32, i32 *%ptr0, i32 2
|
|
%ptr2 = getelementptr i32, i32 *%ptr0, i32 4
|
|
%ptr3 = getelementptr i32, i32 *%ptr0, i32 6
|
|
%ptr4 = getelementptr i32, i32 *%ptr0, i32 8
|
|
%ptr5 = getelementptr i32, i32 *%ptr0, i32 10
|
|
%ptr6 = getelementptr i32, i32 *%ptr0, i32 12
|
|
|
|
%val0 = load i32 , i32 *%ptr0
|
|
%val1 = load i32 , i32 *%ptr1
|
|
%val2 = load i32 , i32 *%ptr2
|
|
%val3 = load i32 , i32 *%ptr3
|
|
%val4 = load i32 , i32 *%ptr4
|
|
%val5 = load i32 , i32 *%ptr5
|
|
%val6 = load i32 , i32 *%ptr6
|
|
|
|
call void @foo()
|
|
|
|
store i32 %val0, i32 *%ptr0
|
|
store i32 %val1, i32 *%ptr1
|
|
store i32 %val2, i32 *%ptr2
|
|
store i32 %val3, i32 *%ptr3
|
|
store i32 %val4, i32 *%ptr4
|
|
store i32 %val5, i32 *%ptr5
|
|
store i32 %val6, i32 *%ptr6
|
|
|
|
ret void
|
|
}
|
|
|
|
; Test a case where at least one i32 load and at least one i32 store
|
|
; need spills.
|
|
define void @f2(i32 *%ptr0) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: mvc [[OFFSET1:16[04]]](4,%r15), [[OFFSET2:[0-9]+]]({{%r[0-9]+}})
|
|
; CHECK: brasl %r14, foo@PLT
|
|
; CHECK: mvc [[OFFSET2]](4,{{%r[0-9]+}}), [[OFFSET1]](%r15)
|
|
; CHECK: br %r14
|
|
%ptr1 = getelementptr i32, i32 *%ptr0, i64 2
|
|
%ptr2 = getelementptr i32, i32 *%ptr0, i64 4
|
|
%ptr3 = getelementptr i32, i32 *%ptr0, i64 6
|
|
%ptr4 = getelementptr i32, i32 *%ptr0, i64 8
|
|
%ptr5 = getelementptr i32, i32 *%ptr0, i64 10
|
|
%ptr6 = getelementptr i32, i32 *%ptr0, i64 12
|
|
%ptr7 = getelementptr i32, i32 *%ptr0, i64 14
|
|
%ptr8 = getelementptr i32, i32 *%ptr0, i64 16
|
|
|
|
%val0 = load i32 , i32 *%ptr0
|
|
%val1 = load i32 , i32 *%ptr1
|
|
%val2 = load i32 , i32 *%ptr2
|
|
%val3 = load i32 , i32 *%ptr3
|
|
%val4 = load i32 , i32 *%ptr4
|
|
%val5 = load i32 , i32 *%ptr5
|
|
%val6 = load i32 , i32 *%ptr6
|
|
%val7 = load i32 , i32 *%ptr7
|
|
%val8 = load i32 , i32 *%ptr8
|
|
|
|
call void @foo()
|
|
|
|
store i32 %val0, i32 *%ptr0
|
|
store i32 %val1, i32 *%ptr1
|
|
store i32 %val2, i32 *%ptr2
|
|
store i32 %val3, i32 *%ptr3
|
|
store i32 %val4, i32 *%ptr4
|
|
store i32 %val5, i32 *%ptr5
|
|
store i32 %val6, i32 *%ptr6
|
|
store i32 %val7, i32 *%ptr7
|
|
store i32 %val8, i32 *%ptr8
|
|
|
|
ret void
|
|
}
|
|
|
|
; Test a case where at least one i64 load and at least one i64 store
|
|
; need spills.
|
|
define void @f3(i64 *%ptr0) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: mvc 160(8,%r15), [[OFFSET:[0-9]+]]({{%r[0-9]+}})
|
|
; CHECK: brasl %r14, foo@PLT
|
|
; CHECK: mvc [[OFFSET]](8,{{%r[0-9]+}}), 160(%r15)
|
|
; CHECK: br %r14
|
|
%ptr1 = getelementptr i64, i64 *%ptr0, i64 2
|
|
%ptr2 = getelementptr i64, i64 *%ptr0, i64 4
|
|
%ptr3 = getelementptr i64, i64 *%ptr0, i64 6
|
|
%ptr4 = getelementptr i64, i64 *%ptr0, i64 8
|
|
%ptr5 = getelementptr i64, i64 *%ptr0, i64 10
|
|
%ptr6 = getelementptr i64, i64 *%ptr0, i64 12
|
|
%ptr7 = getelementptr i64, i64 *%ptr0, i64 14
|
|
%ptr8 = getelementptr i64, i64 *%ptr0, i64 16
|
|
|
|
%val0 = load i64 , i64 *%ptr0
|
|
%val1 = load i64 , i64 *%ptr1
|
|
%val2 = load i64 , i64 *%ptr2
|
|
%val3 = load i64 , i64 *%ptr3
|
|
%val4 = load i64 , i64 *%ptr4
|
|
%val5 = load i64 , i64 *%ptr5
|
|
%val6 = load i64 , i64 *%ptr6
|
|
%val7 = load i64 , i64 *%ptr7
|
|
%val8 = load i64 , i64 *%ptr8
|
|
|
|
call void @foo()
|
|
|
|
store i64 %val0, i64 *%ptr0
|
|
store i64 %val1, i64 *%ptr1
|
|
store i64 %val2, i64 *%ptr2
|
|
store i64 %val3, i64 *%ptr3
|
|
store i64 %val4, i64 *%ptr4
|
|
store i64 %val5, i64 *%ptr5
|
|
store i64 %val6, i64 *%ptr6
|
|
store i64 %val7, i64 *%ptr7
|
|
store i64 %val8, i64 *%ptr8
|
|
|
|
ret void
|
|
}
|
|
|
|
|
|
; Test a case where at least at least one f32 load and at least one f32 store
|
|
; need spills. The 8 call-saved FPRs could be used for 8 of the %vals
|
|
; (and are at the time of writing), but it would really be better to use
|
|
; MVC for all 10.
|
|
define void @f4(float *%ptr0) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: mvc [[OFFSET1:16[04]]](4,%r15), [[OFFSET2:[0-9]+]]({{%r[0-9]+}})
|
|
; CHECK: brasl %r14, foo@PLT
|
|
; CHECK: mvc [[OFFSET2]](4,{{%r[0-9]+}}), [[OFFSET1]](%r15)
|
|
; CHECK: br %r14
|
|
%ptr1 = getelementptr float, float *%ptr0, i64 2
|
|
%ptr2 = getelementptr float, float *%ptr0, i64 4
|
|
%ptr3 = getelementptr float, float *%ptr0, i64 6
|
|
%ptr4 = getelementptr float, float *%ptr0, i64 8
|
|
%ptr5 = getelementptr float, float *%ptr0, i64 10
|
|
%ptr6 = getelementptr float, float *%ptr0, i64 12
|
|
%ptr7 = getelementptr float, float *%ptr0, i64 14
|
|
%ptr8 = getelementptr float, float *%ptr0, i64 16
|
|
%ptr9 = getelementptr float, float *%ptr0, i64 18
|
|
|
|
%val0 = load float , float *%ptr0
|
|
%val1 = load float , float *%ptr1
|
|
%val2 = load float , float *%ptr2
|
|
%val3 = load float , float *%ptr3
|
|
%val4 = load float , float *%ptr4
|
|
%val5 = load float , float *%ptr5
|
|
%val6 = load float , float *%ptr6
|
|
%val7 = load float , float *%ptr7
|
|
%val8 = load float , float *%ptr8
|
|
%val9 = load float , float *%ptr9
|
|
|
|
call void @foo()
|
|
|
|
store float %val0, float *%ptr0
|
|
store float %val1, float *%ptr1
|
|
store float %val2, float *%ptr2
|
|
store float %val3, float *%ptr3
|
|
store float %val4, float *%ptr4
|
|
store float %val5, float *%ptr5
|
|
store float %val6, float *%ptr6
|
|
store float %val7, float *%ptr7
|
|
store float %val8, float *%ptr8
|
|
store float %val9, float *%ptr9
|
|
|
|
ret void
|
|
}
|
|
|
|
; Similarly for f64.
|
|
define void @f5(double *%ptr0) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: mvc 160(8,%r15), [[OFFSET:[0-9]+]]({{%r[0-9]+}})
|
|
; CHECK: brasl %r14, foo@PLT
|
|
; CHECK: mvc [[OFFSET]](8,{{%r[0-9]+}}), 160(%r15)
|
|
; CHECK: br %r14
|
|
%ptr1 = getelementptr double, double *%ptr0, i64 2
|
|
%ptr2 = getelementptr double, double *%ptr0, i64 4
|
|
%ptr3 = getelementptr double, double *%ptr0, i64 6
|
|
%ptr4 = getelementptr double, double *%ptr0, i64 8
|
|
%ptr5 = getelementptr double, double *%ptr0, i64 10
|
|
%ptr6 = getelementptr double, double *%ptr0, i64 12
|
|
%ptr7 = getelementptr double, double *%ptr0, i64 14
|
|
%ptr8 = getelementptr double, double *%ptr0, i64 16
|
|
%ptr9 = getelementptr double, double *%ptr0, i64 18
|
|
|
|
%val0 = load double , double *%ptr0
|
|
%val1 = load double , double *%ptr1
|
|
%val2 = load double , double *%ptr2
|
|
%val3 = load double , double *%ptr3
|
|
%val4 = load double , double *%ptr4
|
|
%val5 = load double , double *%ptr5
|
|
%val6 = load double , double *%ptr6
|
|
%val7 = load double , double *%ptr7
|
|
%val8 = load double , double *%ptr8
|
|
%val9 = load double , double *%ptr9
|
|
|
|
call void @foo()
|
|
|
|
store double %val0, double *%ptr0
|
|
store double %val1, double *%ptr1
|
|
store double %val2, double *%ptr2
|
|
store double %val3, double *%ptr3
|
|
store double %val4, double *%ptr4
|
|
store double %val5, double *%ptr5
|
|
store double %val6, double *%ptr6
|
|
store double %val7, double *%ptr7
|
|
store double %val8, double *%ptr8
|
|
store double %val9, double *%ptr9
|
|
|
|
ret void
|
|
}
|
|
|
|
; Repeat f2 with atomic accesses. We shouldn't use MVC here.
|
|
define void @f6(i32 *%ptr0) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK-NOT: mvc
|
|
; CHECK: br %r14
|
|
%ptr1 = getelementptr i32, i32 *%ptr0, i64 2
|
|
%ptr2 = getelementptr i32, i32 *%ptr0, i64 4
|
|
%ptr3 = getelementptr i32, i32 *%ptr0, i64 6
|
|
%ptr4 = getelementptr i32, i32 *%ptr0, i64 8
|
|
%ptr5 = getelementptr i32, i32 *%ptr0, i64 10
|
|
%ptr6 = getelementptr i32, i32 *%ptr0, i64 12
|
|
%ptr7 = getelementptr i32, i32 *%ptr0, i64 14
|
|
%ptr8 = getelementptr i32, i32 *%ptr0, i64 16
|
|
|
|
%val0 = load atomic i32 , i32 *%ptr0 unordered, align 4
|
|
%val1 = load atomic i32 , i32 *%ptr1 unordered, align 4
|
|
%val2 = load atomic i32 , i32 *%ptr2 unordered, align 4
|
|
%val3 = load atomic i32 , i32 *%ptr3 unordered, align 4
|
|
%val4 = load atomic i32 , i32 *%ptr4 unordered, align 4
|
|
%val5 = load atomic i32 , i32 *%ptr5 unordered, align 4
|
|
%val6 = load atomic i32 , i32 *%ptr6 unordered, align 4
|
|
%val7 = load atomic i32 , i32 *%ptr7 unordered, align 4
|
|
%val8 = load atomic i32 , i32 *%ptr8 unordered, align 4
|
|
|
|
call void @foo()
|
|
|
|
store atomic i32 %val0, i32 *%ptr0 unordered, align 4
|
|
store atomic i32 %val1, i32 *%ptr1 unordered, align 4
|
|
store atomic i32 %val2, i32 *%ptr2 unordered, align 4
|
|
store atomic i32 %val3, i32 *%ptr3 unordered, align 4
|
|
store atomic i32 %val4, i32 *%ptr4 unordered, align 4
|
|
store atomic i32 %val5, i32 *%ptr5 unordered, align 4
|
|
store atomic i32 %val6, i32 *%ptr6 unordered, align 4
|
|
store atomic i32 %val7, i32 *%ptr7 unordered, align 4
|
|
store atomic i32 %val8, i32 *%ptr8 unordered, align 4
|
|
|
|
ret void
|
|
}
|
|
|
|
; ...likewise volatile accesses.
|
|
define void @f7(i32 *%ptr0) {
|
|
; CHECK-LABEL: f7:
|
|
; CHECK-NOT: mvc
|
|
; CHECK: br %r14
|
|
%ptr1 = getelementptr i32, i32 *%ptr0, i64 2
|
|
%ptr2 = getelementptr i32, i32 *%ptr0, i64 4
|
|
%ptr3 = getelementptr i32, i32 *%ptr0, i64 6
|
|
%ptr4 = getelementptr i32, i32 *%ptr0, i64 8
|
|
%ptr5 = getelementptr i32, i32 *%ptr0, i64 10
|
|
%ptr6 = getelementptr i32, i32 *%ptr0, i64 12
|
|
%ptr7 = getelementptr i32, i32 *%ptr0, i64 14
|
|
%ptr8 = getelementptr i32, i32 *%ptr0, i64 16
|
|
|
|
%val0 = load volatile i32 , i32 *%ptr0
|
|
%val1 = load volatile i32 , i32 *%ptr1
|
|
%val2 = load volatile i32 , i32 *%ptr2
|
|
%val3 = load volatile i32 , i32 *%ptr3
|
|
%val4 = load volatile i32 , i32 *%ptr4
|
|
%val5 = load volatile i32 , i32 *%ptr5
|
|
%val6 = load volatile i32 , i32 *%ptr6
|
|
%val7 = load volatile i32 , i32 *%ptr7
|
|
%val8 = load volatile i32 , i32 *%ptr8
|
|
|
|
call void @foo()
|
|
|
|
store volatile i32 %val0, i32 *%ptr0
|
|
store volatile i32 %val1, i32 *%ptr1
|
|
store volatile i32 %val2, i32 *%ptr2
|
|
store volatile i32 %val3, i32 *%ptr3
|
|
store volatile i32 %val4, i32 *%ptr4
|
|
store volatile i32 %val5, i32 *%ptr5
|
|
store volatile i32 %val6, i32 *%ptr6
|
|
store volatile i32 %val7, i32 *%ptr7
|
|
store volatile i32 %val8, i32 *%ptr8
|
|
|
|
ret void
|
|
}
|
|
|
|
; Check that LRL and STRL are not converted.
|
|
define void @f8() {
|
|
; CHECK-LABEL: f8:
|
|
; CHECK-NOT: mvc
|
|
; CHECK: br %r14
|
|
%val0 = load i32 , i32 *@g0
|
|
%val1 = load i32 , i32 *@g1
|
|
%val2 = load i32 , i32 *@g2
|
|
%val3 = load i32 , i32 *@g3
|
|
%val4 = load i32 , i32 *@g4
|
|
%val5 = load i32 , i32 *@g5
|
|
%val6 = load i32 , i32 *@g6
|
|
%val7 = load i32 , i32 *@g7
|
|
%val8 = load i32 , i32 *@g8
|
|
%val9 = load i32 , i32 *@g9
|
|
|
|
call void @foo()
|
|
|
|
store i32 %val0, i32 *@g0
|
|
store i32 %val1, i32 *@g1
|
|
store i32 %val2, i32 *@g2
|
|
store i32 %val3, i32 *@g3
|
|
store i32 %val4, i32 *@g4
|
|
store i32 %val5, i32 *@g5
|
|
store i32 %val6, i32 *@g6
|
|
store i32 %val7, i32 *@g7
|
|
store i32 %val8, i32 *@g8
|
|
store i32 %val9, i32 *@g9
|
|
|
|
ret void
|
|
}
|
|
|
|
; Likewise LGRL and STGRL.
|
|
define void @f9() {
|
|
; CHECK-LABEL: f9:
|
|
; CHECK-NOT: mvc
|
|
; CHECK: br %r14
|
|
%val0 = load i64 , i64 *@h0
|
|
%val1 = load i64 , i64 *@h1
|
|
%val2 = load i64 , i64 *@h2
|
|
%val3 = load i64 , i64 *@h3
|
|
%val4 = load i64 , i64 *@h4
|
|
%val5 = load i64 , i64 *@h5
|
|
%val6 = load i64 , i64 *@h6
|
|
%val7 = load i64 , i64 *@h7
|
|
%val8 = load i64 , i64 *@h8
|
|
%val9 = load i64 , i64 *@h9
|
|
|
|
call void @foo()
|
|
|
|
store i64 %val0, i64 *@h0
|
|
store i64 %val1, i64 *@h1
|
|
store i64 %val2, i64 *@h2
|
|
store i64 %val3, i64 *@h3
|
|
store i64 %val4, i64 *@h4
|
|
store i64 %val5, i64 *@h5
|
|
store i64 %val6, i64 *@h6
|
|
store i64 %val7, i64 *@h7
|
|
store i64 %val8, i64 *@h8
|
|
store i64 %val9, i64 *@h9
|
|
|
|
ret void
|
|
}
|
|
|
|
; This showed a problem with the way stack coloring updated instructions.
|
|
; The copy from %val9 to %newval8 can be done using an MVC, which then
|
|
; has two frame index operands. Stack coloring chose a valid renumbering
|
|
; [FI0, FI1] -> [FI1, FI2], but applied it in the form FI0 -> FI1 -> FI2,
|
|
; so that both operands ended up being the same.
|
|
define void @f10() {
|
|
; CHECK-LABEL: f10:
|
|
; CHECK: lgrl [[REG:%r[0-9]+]], h9
|
|
; CHECK: stg [[REG]], [[VAL9:[0-9]+]](%r15)
|
|
; CHECK: brasl %r14, foo@PLT
|
|
; CHECK: brasl %r14, foo@PLT
|
|
; CHECK: mvc [[NEWVAL8:[0-9]+]](8,%r15), [[VAL9]](%r15)
|
|
; CHECK: brasl %r14, foo@PLT
|
|
; CHECK: lg [[REG:%r[0-9]+]], [[NEWVAL8]](%r15)
|
|
; CHECK: stgrl [[REG]], h8
|
|
; CHECK: br %r14
|
|
entry:
|
|
%val8 = load volatile i64 , i64 *@h8
|
|
%val0 = load volatile i64 , i64 *@h0
|
|
%val1 = load volatile i64 , i64 *@h1
|
|
%val2 = load volatile i64 , i64 *@h2
|
|
%val3 = load volatile i64 , i64 *@h3
|
|
%val4 = load volatile i64 , i64 *@h4
|
|
%val5 = load volatile i64 , i64 *@h5
|
|
%val6 = load volatile i64 , i64 *@h6
|
|
%val7 = load volatile i64 , i64 *@h7
|
|
%val9 = load volatile i64 , i64 *@h9
|
|
|
|
call void @foo()
|
|
|
|
store volatile i64 %val0, i64 *@h0
|
|
store volatile i64 %val1, i64 *@h1
|
|
store volatile i64 %val2, i64 *@h2
|
|
store volatile i64 %val3, i64 *@h3
|
|
store volatile i64 %val4, i64 *@h4
|
|
store volatile i64 %val5, i64 *@h5
|
|
store volatile i64 %val6, i64 *@h6
|
|
store volatile i64 %val7, i64 *@h7
|
|
|
|
%check = load volatile i64 , i64 *@h0
|
|
%cond = icmp eq i64 %check, 0
|
|
br i1 %cond, label %skip, label %fallthru
|
|
|
|
fallthru:
|
|
call void @foo()
|
|
|
|
store volatile i64 %val0, i64 *@h0
|
|
store volatile i64 %val1, i64 *@h1
|
|
store volatile i64 %val2, i64 *@h2
|
|
store volatile i64 %val3, i64 *@h3
|
|
store volatile i64 %val4, i64 *@h4
|
|
store volatile i64 %val5, i64 *@h5
|
|
store volatile i64 %val6, i64 *@h6
|
|
store volatile i64 %val7, i64 *@h7
|
|
store volatile i64 %val8, i64 *@h8
|
|
br label %skip
|
|
|
|
skip:
|
|
%newval8 = phi i64 [ %val8, %entry ], [ %val9, %fallthru ]
|
|
call void @foo()
|
|
|
|
store volatile i64 %val0, i64 *@h0
|
|
store volatile i64 %val1, i64 *@h1
|
|
store volatile i64 %val2, i64 *@h2
|
|
store volatile i64 %val3, i64 *@h3
|
|
store volatile i64 %val4, i64 *@h4
|
|
store volatile i64 %val5, i64 *@h5
|
|
store volatile i64 %val6, i64 *@h6
|
|
store volatile i64 %val7, i64 *@h7
|
|
store volatile i64 %newval8, i64 *@h8
|
|
store volatile i64 %val9, i64 *@h9
|
|
|
|
ret void
|
|
}
|
|
|
|
; This used to generate a no-op MVC. It is very sensitive to spill heuristics.
|
|
define void @f11() {
|
|
; CHECK-LABEL: f11:
|
|
; CHECK-NOT: mvc [[OFFSET:[0-9]+]](8,%r15), [[OFFSET]](%r15)
|
|
; CHECK: br %r14
|
|
entry:
|
|
%val0 = load volatile i64 , i64 *@h0
|
|
%val1 = load volatile i64 , i64 *@h1
|
|
%val2 = load volatile i64 , i64 *@h2
|
|
%val3 = load volatile i64 , i64 *@h3
|
|
%val4 = load volatile i64 , i64 *@h4
|
|
%val5 = load volatile i64 , i64 *@h5
|
|
%val6 = load volatile i64 , i64 *@h6
|
|
%val7 = load volatile i64 , i64 *@h7
|
|
|
|
%altval0 = load volatile i64 , i64 *@h0
|
|
%altval1 = load volatile i64 , i64 *@h1
|
|
|
|
call void @foo()
|
|
|
|
store volatile i64 %val0, i64 *@h0
|
|
store volatile i64 %val1, i64 *@h1
|
|
store volatile i64 %val2, i64 *@h2
|
|
store volatile i64 %val3, i64 *@h3
|
|
store volatile i64 %val4, i64 *@h4
|
|
store volatile i64 %val5, i64 *@h5
|
|
store volatile i64 %val6, i64 *@h6
|
|
store volatile i64 %val7, i64 *@h7
|
|
|
|
%check = load volatile i64 , i64 *@h0
|
|
%cond = icmp eq i64 %check, 0
|
|
br i1 %cond, label %a1, label %b1
|
|
|
|
a1:
|
|
call void @foo()
|
|
br label %join1
|
|
|
|
b1:
|
|
call void @foo()
|
|
br label %join1
|
|
|
|
join1:
|
|
%newval0 = phi i64 [ %val0, %a1 ], [ %altval0, %b1 ]
|
|
|
|
call void @foo()
|
|
|
|
store volatile i64 %val1, i64 *@h1
|
|
store volatile i64 %val2, i64 *@h2
|
|
store volatile i64 %val3, i64 *@h3
|
|
store volatile i64 %val4, i64 *@h4
|
|
store volatile i64 %val5, i64 *@h5
|
|
store volatile i64 %val6, i64 *@h6
|
|
store volatile i64 %val7, i64 *@h7
|
|
br i1 %cond, label %a2, label %b2
|
|
|
|
a2:
|
|
call void @foo()
|
|
br label %join2
|
|
|
|
b2:
|
|
call void @foo()
|
|
br label %join2
|
|
|
|
join2:
|
|
%newval1 = phi i64 [ %val1, %a2 ], [ %altval1, %b2 ]
|
|
|
|
call void @foo()
|
|
|
|
store volatile i64 %val2, i64 *@h2
|
|
store volatile i64 %val3, i64 *@h3
|
|
store volatile i64 %val4, i64 *@h4
|
|
store volatile i64 %val5, i64 *@h5
|
|
store volatile i64 %val6, i64 *@h6
|
|
store volatile i64 %val7, i64 *@h7
|
|
|
|
call void @foo()
|
|
|
|
store volatile i64 %newval0, i64 *@h0
|
|
store volatile i64 %newval1, i64 *@h1
|
|
store volatile i64 %val2, i64 *@h2
|
|
store volatile i64 %val3, i64 *@h3
|
|
store volatile i64 %val4, i64 *@h4
|
|
store volatile i64 %val5, i64 *@h5
|
|
store volatile i64 %val6, i64 *@h6
|
|
store volatile i64 %val7, i64 *@h7
|
|
|
|
ret void
|
|
}
|